Words That Rhyme With "Concussion" :
2 syllables:
ashen, Bashan, boschen, bussen, cession, fashion, fission, fluxion, freshen, Grecian, groschen, Haitian, haitien, hessian, hushen, lotion, Lucian, lushbum, Lutyens, mission, motion, mustn't, nation, notion, ocean, paschen, pashm, passion, potion, Prussian, ration, Rhaetian, rhesian, roughen, ruction, Russian, scission, session, station, suction, Thracian, titian, toughen, washin
3 syllables:
abduction, ablation, ablution, ablutionary, abruption, accession, accretion, accretionary, addition, adduction, admission, adnation, aeration, aggression, agnation, Aleutian, Alsatian, ambition, Asuncion, attrition, audition, avulsion, bination, Boeotian, Capetian, carnation, cassation, castration, causation, cessation, cetacean, chelation, citation, clinician, cognation, cognition, coition, collation, Colossian, commission, commotion, compassion, completion, compression, compulsion, conation, concession, concretion, condition, conduction, confession, conflation, Confucian, connation, construction, contrition, convulsion, corruption, creation, cremation, crenation, crispation, Croatian, crustacean, cunctation, dalmatian, damnation, deduction, deflation, defluxion, degression, deletion, demission, demotion, dentation, dentition, depletion, depression, deration, destruction, detrition, devotion, dictation, digression, dilation, dilution, discission, discretion, discussion, dismission, dispassion, disruption, divulsion, Domitian, donation, duplation, duration, edition, eduction, effluxion, egression, elation, elution, emission, emotion, emulsion, eruption, evulsion, excretion, expression, expulsion, fellation, fetation, filtration, fixation, flirtation, floatation, flotation, foetation, formation, foundation, fruition, frustration, gelation, gemmation, gestation, gradation, grivation, gustation, gyration, halation, Helvetian, Horatian, hortation, hydration, ignition, illation, impassion, impletion, impression, impulsion, incretion, induction, inflation, ingression, instruction, irruption, jactation, jobation, juration, lactation, lallation, Laotian, laudation, lavation, laxation, legation, lenition, libation, libration, ligation, lobation, locution, logician, lunation, lusatian, luxation, magician, mentation, metrician, migration, monition, mortician, munition, musician, mutation, narration, natation, negation, neuration, nitration, notation, novation, nunnation, nutation, nutrition, nutritionary, oblation, obsession, obstruction, omission, oppression, optation, optician, oration, ovation, palmation, palpation, partition, patrician, percussion, perdition, permission, petition, Phoenician, phonation, phosphation, physician, pinnation, plantation, pollution, position, possession, potation, practician, precession, predation, privation, probation, procession, production, profession, progression, prolation, promotion, pronation, propulsion, proration, prostration, pulsation, punctation, purgation, quartation, quotation, recession, recission, reduction, reflation, regression, relation, remission, remotion, rendition, repletion, repression, repulsion, revulsion, rogation, rotation, rubrician, saltation, salvation, secession, secretion, sedation, sedition, seduction, sensation, serration, sigmation, solution, solvation, sortition, spallation, squamation, stagflation, stagflationary, stagnation, starvation, striation, submission, succession, summation, suppletion, suppression, suspicion, tactician, Tahitian, tarnation, taxation, technician, temptation, tentation, Testacean, titration, tradition, traducian, transgression, transition, translation, transmission, tuition, vallation, venation, vendition, Venetian, vernation, vexation, vibration, volition, volution, zonation
4 syllables:
aberration, abjuration, ablactation, abnegation, abolition, abolitionary, abrogation, absentation, absolution, acceptation, acclamation, acclimation, accusation, acetation, acoustician, acquisition, activation, actuation, adaptation, admiration, admonition, adoration, adulation, adumbration, aerostation, aesthetician, aestivation, affectation, affirmation, affixation, aggradation, aggravation, aggregation, agitation, alkylation, allegation, allocution, alteration, ambulation, ammunition, ampliation, amputation, Andalusian, angulation, animation, annexation, annotation, annulation, apparition, appellation, apposition, approbation, arbitration, arcuation, arrogation, aspiration, assentation, assignation, astrogation, attestation, attribution, augmentation, auscultation, automation, aviation, avigation, backwardation, ballistician, Belorussian, bipartition, bombilation, botheration, brachiation, brecciation, Byelorussian, cachinnation, calculation, calibration, cancellation, cannulation, canulation, capitation, captivation, carbonation, carburation, carburetion, caseation, castigation, cavitation, celebration, cementation, cerebration, chlorination, coalition, coaptation, cogitation, colligation, collimation, coloration, combination, commendation, commination, commutation, compellation, compensation, competition, compilation, composition, compotation, compurgation, computation, concentration, condemnation, condensation, condonation, confirmation, conflagration, conformation, confrontation, confutation, congelation, conglobation, congregation, conjugation, conjuration, connotation, consecration, consecution, conservation, consignation, consolation, constatation, constellation, consternation, constipation, constitution, consultation, consummation, contemplation, contestation, contribution, conurbation, conversation, copulation, corelation, coronation, corporation, correlation, corrugation, cosmetician, crenulation, crepitation, culmination, cultivation, cumulation, cupellation, cuspidation, cyclization, decantation, declamation, declaration, declination, decollation, decommission, decompression, deconstruction, decoration, decussation, defamation, definition, deflagration, defloration, deformation, defraudation, deglutition, degradation, degustation, dehortation, dehydration, delectation, delegation, deliration, demolition, demonstration, denegation, denigration, denotation, denudation, depilation, deploration, deportation, deposition, depravation, depredation, deprivation, deputation, derivation, derogation, desecration, designation, desolation, desperation, desquamation, destination, detestation, detonation, devastation, deviation, devolution, dietician, dietitian, digitation, dilatation, diminution, Diocletian, disclamation, disinflation, dispensation, disposition, disputation, disquisition, dissertation, dissipation, dissolution, distillation, distribution, divagation, divination, domination, dubitation, ebullition, eburnation, electrician, elevation, elocution, elongation, emanation, emendation, emigration, emollition, emulation, encrustation, enervation, Epictetian, epilation, epuration, equitation, erudition, escalation, esthetician, estimation, estivation, eventration, evolution, exaltation, excavation, excitation, exclamation, exculpation, excurvation, execration, execution, exhalation, exhibition, exhortation, exhumation, expectation, expedition, expiation, expiration, explanation, exploitation, exploration, exportation, exposition, expurgation, exsolution, extirpation, extradition, exudation, exultation, fasciation, fascination, fecundation, federation, feneration, fenestration, fermentation, festination, fibrillation, figuration, filiation, flagellation, floccillation, flocculation, fluctuation, fluoridation, foliation, fomentation, forestation, formulation, fractionation, fragmentation, frequentation, fulmination, fumigation, gallinacean, gastrulation, gemination, gemmulation, generation, germination, glaciation, graduation, granulation, gravitation, gurgitation, habitation, hesitation, hibernation, hyphenation, ideation, illustration, imbibition, imitation, immigration, immuration, impanation, impartation, implantation, importation, imposition, impregnation, imputation, inanition, incantation, incarnation, inchoation, incitation, inclination, incompletion, incorruption, incrustation, incubation, inculpation, incurvation, indentation, indexation, indignation, indiscretion, induration, infestation, infeudation, infiltration, inflammation, information, inhalation, inhibition, inhumation, innervation, innovation, innutrition, inquisition, insolation, inspiration, inspissation, installation, instauration, instigation, instillation, institution, insufflation, insulation, insultation, integration, intercession, intermission, interruption, intimation, intonation, introduction, intromission, intubation, intuition, inundation, invitation, involution, irisation, irrigation, irritation, isolation, iteration, jactitation, jubilation, laceration, lachrymation, lamentation, lamination, lapidation, legislation, levitation, liberation, Lilliputian, limitation, lineation, linguistician, liquidation, literation, litigation, locomotion, logistician, lucubration, maceration, machination, maculation, malformation, malnutrition, malversation, manumission, masturbation, maturation, mechanician, mediation, meditation, melioration, menstruation, mensuration, methylation, micturition, ministration, misconstruction, miscreation, misimpression, misquotation, mistranslation, mitigation, moderation, modulation, molestation, motivation, murmuration, mussitation, mutilation, navigation, nervuration, nomination, nonaggression, nucleation, numeration, objurgation, obligation, obscuration, obsecration, observation, obstetrician, obviation, occultation, occupation, ocellation, operation, opposition, orchestration, ordination, oscillation, oscitation, osculation, ostentation, ovulation, oxidation, pagination, palliation, palpebration, palpitation, parturition, peculation, pejoration, penetration, percolation, perforation, permeation, permutation, peroration, perpetration, persecution, personation, perspiration, perturbation, phonetician, photofission, pigmentation, placentation, politician, pollenation, pollination, ponderation, population, postposition, postulation, preadmission, precognition, precondition, predormition, preignition, prelibation, premonition, preparation, preposition, prepossession, presentation, preservation, preterition, pretermission, proclamation, procreation, procuration, profanation, prohibition, prolongation, promulgation, propagation, proposition, prorogation, prosecution, prostitution, protestation, pullulation, punctuation, radiation, realization, recantation, recitation, reclamation, reclination, recognition, recondition, reconstruction, recreation, redhibition, reformation, refutation, regelation, registration, regulation, rehydration, reimpression, relaxation, relegation, remonstration, renovation, reparation, repartition, repercussion, repetition, reposition, repossession, reprobation, reproduction, reputation, requisition, reservation, resignation, resolution, respiration, restitution, restoration, retardation, retractation, retransmission, retribution, retrogression, revelation, revolution, rhetorician, Rosicrucian, ruination, rumination, salivation, salutation, sanitation, satiation, saturation, segmentation, segregation, semantician, semination, separation, sequestration, serrulation, sexploitation, sibilation, sigillation, simulation, sinuation, situation, solifluction, solmization, speciation, speculation, spoliation, sporulation, statistician, sternutation, stimulation, stipulation, strangulation, stridulation, subaudition, subjugation, sublimation, subluxation, subornation, subrogation, substitution, sulfonation, sulphonation, supersession, superstation, superstition, supination, supplantation, supposition, suppuration, surrogation, suspiration, sustentation, susurration, tabulation, termination, tessellation, theoretician, titillation, titivation, tittivation, titubation, toleration, tonetician, tracheation, transformation, transmigration, transmutation, transplantation, transportation, transposition, transudation, trepanation, trephination, trepidation, tribulation, tripartition, trituration, ulceration, ululation, undulation, urination, ustulation, usurpation, vaccination, vacillation, validation, valuation, variation, vasomotion, vegetation, velitation, veneration, ventilation, vermination, vertebration, violation, visitation, vitiation
5 syllables:
abbreviation, abomination, academician, acceleration, accentuation, accommodation, accreditation, acculturation, accumulation, administration, adulteration, affiliation, agglomeration, alienation, alimentation, alleviation, amalgamation, amelioration, amortization, annihilation, annunciation, anticipation, anticorruption, antihalation, appersonation, appreciation, appropriation, approximation, arborization, areolation, argumentation, arithmetician, arpeggiation, articulation, asphyxiation, assassination, asseveration, assibilation, assimilation, association, attenuation, authorisation, authorization, autoignition, autoxidation, balkanization, biometrician, calumniation, cancerization, canonization, capitulation, carbonatation, carbonization, carboxylation, castrametation, cauterization, centralisation, centralization, centrifugation, cephalization, chaptalization, christianization, circumgyration, circumincession, circumlocution, circumvolution, civilisation, civilization, coacervation, coagulation, codeclination, cogeneration, cohabitation, collaboration, colonization, colorization, columniation, commemoration, commensuration, commiseration, communization, compartmentation, complementation, concatenation, conciliation, confabulation, confarreation, confederation, configuration, conglomeration, congratulation, consideration, consociation, consolidation, contamination, continuation, contraposition, contravallation, cooperation, coordination, corroboration, crystallisation, crystallization, cybernetician, deactivation, deamination, debilitation, decaffeination, decapitation, deceleration, decompensation, decomposition, decrepitation, defenestration, defibrillation, defoliation, deforestation, degeneration, deglaciation, delamination, deliberation, delineation, demodulation, demonization, denaturation, denomination, denticulation, denunciation, depreciation, deracination, deratization, deregulation, derequisition, desalination, desegregation, despoliation, determination, devaluation, dextrorotation, diagnostician, dialectician, dilaceration, dilapidation, disaffirmation, disapprobation, discoloration, disconsolation, discrimination, disinclination, disinformation, disinhibition, disintegration, disoperation, disreputation, dissemination, dissimilation, dissimulation, dissociation, documentation, dramatization, dysadaptation, effectuation, ejaculation, elaboration, electrocution, elimination, elucidation, eluviation, emaciation, emancipation, emasculation, encapsulation, enculturation, enthronization, enucleation, enumeration, enunciation, equalization, equilibration, equipartition, etiolation, evacuation, evaluation, evaporation, evisceration, exacerbation, exaggeration, examination, exasperation, excogitation, excruciation, exenteration, exercitation, exfoliation, exhilaration, exoneration, expatiation, expatriation, expectoration, expostulation, expropriation, extenuation, extermination, extrapolation, extravasation, facilitation, fasciculation, felicitation, fertilization, geometrician, geriatrician, gesticulation, globalization, granitization, habituation, hallucination, halogenation, harmonization, horripilation, humiliation, hybridization, hydrogenation, hyperinflation, hypersecretion, hyposecretion, illumination, illuviation, imagination, immoderation, immunization, impersonation, imperturbation, implementation, improvisation, inactivation, inanimation, inauguration, incarceration, incorporation, incrimination, indisposition, indoctrination, inebriation, inexecution, infatuation, infibulation, infuriation, ingratiation, inhabitation, initiation, inoculation, inosculation, insanitation, insemination, insinuation, instantiation, instrumentation, intercalation, intergradation, interlocution, interlunation, intermigration, interpellation, interpolation, interposition, interpretation, interrelation, interrogation, intervolution, intimidation, intravasation, invagination, invalidation, investigation, invigilation, invigoration, iodination, ionization, irradiation, irresolution, islamization, itineration, juxtaposition, laevorotation, laicization, legalization, legitimation, levorotation, localization, luxuriation, machicolation, magnetization, maladaptation, manifestation, manipulation, mathematician, matriculation, maximization, mechanization, microinstruction, miscalculation, miscegenation, misestimation, misinformation, misrecognition, mobilization, modernization, mutarotation, myelination, negotiation, neoformation, neutralization, nonexportation, nonimportation, nonrecognition, normalization, obliteration, officiation, optimization, organisation, organization, orientation, origination, ornamentation, overproduction, oxygenation, paediatrician, pandiculation, participation, pasteurization, pediatrician, perambulation, peregrination, perpetuation, perseveration, photoemission, photometrician, polarisation, polarization, pollicitation, potentiation, precipitation, predestination, predisposition, predomination, prefiguration, preinclination, premeditation, preoccupation, pressurization, presupposition, privatisation, privatization, procrastination, proliferation, pronunciation, propitiation, racemization, readaptation, reaffirmation, realisation, recalculation, recombination, recommendation, recomposition, reconcentration, reconfirmation, recrimination, recuperation, redecoration, redefinition, redeposition, redintegration, redistribution, reforestation, refrigeration, regeneration, regimentation, regurgitation, reimposition, reincarnation, reintroduction, reiteration, rejuvenation, remediation, remuneration, renomination, renunciation, repatriation, representation, repudiation, reregulation, resuscitation, retaliation, reticulation, retrogradation, revaluation, reverberation, salinization, sclerotization, sedimentation, socialization, solicitation, somnambulation, specialization, stabilization, stalinization, standardization, stereoptician, sterilization, stolonization, subalternation, suberization, subinfeudation, subordination, subsidization, substantiation, superaddition, superfetation, superinduction, supernatation, synchronization, syphilization, totipalmation, transfiguration, transliteration, transmethylation, transpeptidation, triangulation, tuberculation, ultrafiltration, undernutrition, underproduction, unionization, urbanization, utilization, valorization, vaporization, variegation, variolation, vasoligation, vaticination, vermiculation, vernalization, vesiculation, victimization, visualization, vituperation, vociferation, vomiturition, vulgarization, westernization
6 syllables:
alphabetisation, alphabetization, aromatization, astronavigation, autocollimation, autocorrelation, autooxidation, beneficiation, bioclimatician, canaliculation, cannibalization, capitalization, categorization, characterisation, characterization, circumnavigation, collectivization, commercialization, computerization, congeliturbation, consubstantiation, containerization, counteraccusation, counterdeclaration, counterdemonstration, counterproposition, counterreformation, counterrevolution, criminalization, deaminization, decarboxylation, decentralization, decontamination, dehumanization, demobilization, democratization, demoralization, denuclearization, desalinization, destabilization, diazotization, differentiation, digitalization, disambiguation, disassociation, discombobulation, discontinuation, disorganization, disorientation, disproportionation, dolomitization, domiciliation, econometrician, electroreduction, electrotechnician, experimentation, externalisation, externalization, generalisation, generalization, geomagnetician, geopolitician, haemoconcentration, hemoconcentration, hospitalization, hyalinization, hydroformylation, hypoventilation, immunosuppression, inappreciation, incapacitation, incoordination, indetermination, indiscrimination, individuation, inorganization, insubordination, intercorporation, interdigitation, interfenestration, intermediation, intermodulation, interpenetration, liberalization, marginalization, microreproduction, mineralization, misappropriation, misinterpretation, mispronunciation, misrepresentation, monopolization, myelinization, nationalization, naturalization, neurosecretion, noncooperation, nondiscrimination, nonparticipation, nonproliferation, objectivization, overestimation, overpopulation, overregulation, overvaluation, periodization, personalization, photocomposition, politicization, polymerization, popularization, preequalization, prestidigitation, radicalization, ratiocination, rationalization, reaffiliation, reauthorization, recapitulation, reconciliation, reconfiguration, reconsideration, reevaluation, reexamination, rehabilitation, reincorporation, reinterpretation, reinvigoration, renegotiation, reorganization, reorientation, revitalization, securitization, semipolitician, serpentinization, singularization, subalimentation, suburbanization, superannuation, superelevation, supererogation, superfecundation, superimposition, tintinnabulation, transillumination, transubstantiation, underestimation, underlineation, undervaluation, vasodilatation
7 syllables:
Americanization, antidiscrimination, autoionization, colonialization, contextualization, decriminalization, dedifferentiation, delabialization, demilitarization, denationalization, depersonalization, depolymerization, electrodeposition, evapotranspiration, industrialization, intercolumniation, marsupialization, metamathematician, miniaturization, mischaracterization, overorganization, overpronunciation, photodisintegration, photodissociation, photoionization, photophosphorylation, recapitalization, renationalization
8 syllables:
anociassociation, electrocoagulation, hydrodesulfurization, institutionalization, internationalization