Words That Rhyme With "Petrology" :
3 syllables:
4 syllables:
acrology, agrology, algology, anthology, apology, arthrology, astrology, biology, bryology, cacology, carphology, carpology, cetology, chorology, Christology, chronology, conchology, coprology, cosmology, cryology, cryptology, cytology, dendrology, doxology, ecology, enology, ethnology, ethology, gastrology, gemmology, gemology, geology, glottology, gnomology, graphology, haplology, hippology, histology, homology, horology, hydrology, hymnology, hypnology, ichnology, leprology, limnology, lithology, menology, metrology, misology, morphology, muscology, mycology, myology, mythology, nasology, necrology, neology, nephology, nephrology, nomology, nosology, oncology, ontology, oology, orology, otology, paidology, pantology, pathology, patrology, pedology, penology, pestology, phenology, phonology, phrenology, phycology, phytology, pomology, posology, proctology, psephology, psychology, rheology, rhinology, sarcology, scatology, seismology, serology, sexology, sinology, sitology, spectrology, splanchnology, tautology, technology, theology, tocology, tokology, topology, tribology, tropology, typology, urology, virology, zoology
5 syllables:
acarology, actinology, agriology, agrostology, amphibology, angelology, angiology, anthropology, apiology, archeology, areology, audiology, axiology, balneology, bibliology, campanology, cardiology, climatology, codicology, cosmetology, craniology, criminology, deltiology, demonology, deontology, dermatology, eccrinology, Egyptology, embryology, entomology, enzymology, erotology, eschatology, etiology, etymology, futurology, genealogy, geratology, gerontology, glaciology, gynecology, hagiology, helminthology, hematology, heortology, herpetology, heterology, hierology, hyetology, ichthyology, iconology, ideology, immunology, insectology, koniology, kremlinology, laryngology, lexicology, lichenology, malacology, martyrology, meteorology, methodology, monadology, musicology, myrmecology, nematology, neontology, numerology, odontology, ophiology, ophthalmology, orchidology, organology, ornithology, osteology, palynology, papyrology, pharmacology, pharyngology, physiology, planetology, primatology, protistology, pteridology, pterylology, radiology, reflexology, roentgenology, Scientology, selenology, semeiology, semiology, sociology, somatology, speleology, stomatology, Sumerology, synecology, syphilology, teleology, teratology, terminology, thanatology, thaumatology, thremmatology, toxicology, transtechnology, uranology, vexillology, vulcanology
6 syllables:
agrobiology, Assyriology, astrobiology, astrogeology, bacteriology, bioecology, biotechnology, biotypology, characterology, cryobiology, cytopathology, dendrochronology, dialectology, dysteleology, ecclesiology, endocrinology, epistemology, exobiology, geochronology, geomorphology, glottochronology, heresiology, histomorphology, histopathology, hydrogeology, intertechnology, kinesiology, liturgiology, metapsychology, microbiology, numismatology, onomatology, palaeontology, paleethnology, paleontology, parapsychology, parasitology, pathobiology, phenomenology, photobiology, phytobiology, psychobiology, psychopathology, psychotechnology, sedimentology, semasiology, soteriology, symptomatology, venereology
7 syllables:
anesthesiology, bioclimatology, electrobiology, electrotechnology, epidemiology, ethnomusicology, gastroenterology, histophysiology, lepidopterology, micrometeorology, neuroembryology, neuropathology, palaeoecology, paleobiology, paleoecology, paleopedology, paleopsychology, paleozoology, periodontology, phytoclimatology, phytosociology, psychopharmacology, psychophysiology
8 syllables:
electrophysiology, micropaleontology, paleoclimatology