Words That Rhyme With "Megatherium" :
3 syllables:
barium, cereal, cereous, cereus, cerium, cheeriest, corium, curium, ferial, Geryon, Mariam, Miriam, myriad, period, serial, seriate, serious, Sirius, Syria's, Syrian, Tereus, tyrian, virial, Zyrian
4 syllables:
albarium, Algeria's, Algerian, anthurium, aperient, apterium, aquarium, armarium, arterial, Assyrian, asterion, bacteria's, bacterial, bacterium, biserial, bullarium, castoreum, Cerberean, Chaucerian, cibarium, ciborium, Cimmerian, cinereous, collyrium, criterion, delirious, delirium, deuterium, emporium, empyreal, experience, funereal, haustorium, herbarium, Hesperian, Hyperion, Iberia's, Iberian, Illyrian, imperial, imperious, imperium, Keplerian, lararium, Liberia's, Liberian, martyrium, masurium, material, mezereum, mysterious, Nigeria's, Nigerian, orarium, ovarium, Pierian, psalterium, puparium, rhinarium, rosarium, sacrarium, samarium, scriptorium, sensorium, septarium, Shakespearean, Shakespearian, Siberian, sidereal, solarium, Spenserian, subereous, Sumerian, tellurium, tentorium, terrarium, Tiberias, Tiberius, triforium, valerian, velarium, venereal, vivarium, whistlerian, zairian
5 syllables:
acroterium, archesporium, aspersorium, auditorium, barristerial, cafeterias, cemeterial, cinerarium, collunarium, collutorium, columbarium, crematorium, deleterious, elaterium, endarterium, endosporium, epineurium, eubacterium, eupatorium, ferrocerium, formicarium, frigidarium, fumatorium, Hanoverian, honorarium, imagerial, immaterial, inexperience, leprosarium, lubritorium, magisterial, magisterium, managerial, ministerial, monasterial, moratorium, natatorium, nonmaterial, oceanarium, osmeterium, ostensorium, phalansterian, photoperiod, planetarium, presbyterial, Presbyterian, preventorium, puerperium, sanatorium, sanitarium, semiserious, sericterium, subcinctorium, subdelirious, subdelirium, sudatorium, synaxarium, termitarium, uniserial, vomitorium
6 syllables:
abecedarium, antibacterial, anticlinorium, armamentarium, avicularium, biomaterial, clavicytherium, conservatorium, fusobacterium, intersidereal, itinerarium, microbacterium, mycobacterium, polyzoarium
7 syllables:
corynebacterium, cyanobacterium