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Words that Rhyme with periodontology
4 syllables
- anthology
- apology
- astrology
- biology
- christology
- chronology
- conchology
- cosmology
- cryptology
- cytology
- doxology
- ecology
- ethnology
- ethology
- geology
- histology
- homology
- hydrology
- ichthyology
- limnology
- lithology
- mammalogy
- metrology
- morphology
- mycology
- mythology
- necrology
- nephrology
- neurology
- nosology
- oncology
- ontology
- otology
- pathology
- penology
- petrology
- phenology
- philology
- phrenology
- pomology
- psychology
- rheology
- rhinology
- seismology
- serology
- sexology
- symbology
- tautology
- technology
- theology
- topology
- tribology
- typology
- urology
- virology
- zoology
- andrology
- dendrology
- enology
- graphology
- horology
- hymnology
- indology
- pedology
- phycology
- proctology
- sinology
- acrology
- aecology
- aerology
- agrology
- algology
- archology
- arcology
- arthrology
- bascology
- bryology
- buddhology
- bugology
- bumpology
- cacology
- carphology
- carpology
- cetology
- chartology
- chirology
- chondrology
- chorology
- coprology
- creekology
- ctetology
- cynology
- dittology
- euchology
- faunology
- fetology
- foetology
- fungology
- garbology
- gastrology
- gemmology
- gemology
- ghostology
- glossology
- glottology
- glyptology
- gnomology
- haplology
- herbology
- hippology
- hittology
- hygrology
- hypnology
- ichnology
- leptology
- macrology
- mantology
- menology
- micrology
- misology
- monology
- muscology
- naology
- nasology
- neology
- nephology
- nidology
- nomology
- noology
- ombrology
- oology
- oralogy
- orology
- paedology
- paidology
- pantology
- patrology
- pestology
- phlebology
- phytology
- pistology
- planktology
- plutology
- pneumology
- podology
- posology
- psephology
- pseudology
- quinology
- runology
- saintology
- sarcology
- scatology
- semology
- sitology
- skatology
- spectrology
- splanchnology
- spongology
- therology
- tidology
- tocology
- tokology
- tonology
- trichology
- triology
- trophology
- tropology
- typhlology
- xylology
- zymology
5 syllables
- aetiology
- anthropology
- archaeology
- archeology
- audiology
- cardiology
- climatology
- cohomology
- cosmetology
- criminology
- demonology
- dermatology
- egyptology
- embryology
- entomology
- enzymology
- eschatology
- etiology
- etymology
- genealogy
- gerontology
- glaciology
- gynaecology
- gynecology
- haematology
- hematology
- hepatology
- herpetology
- ideology
- immunology
- martyrology
- methodology
- mineralogy
- musicology
- narratology
- nematology
- numerology
- oceanology
- ophthalmology
- ornithology
- osteology
- palynology
- pharmacology
- physiology
- radiology
- reflexology
- rheumatology
- roentgenology
- semiology
- sociology
- teratology
- terminology
- toxicology
- victimology
- volcanology
- acarology
- angelology
- angiology
- autecology
- axiology
- child psychology
- craniology
- deontology
- futurology
- helminthology
- high technology
- iconology
- lexicology
- malacology
- mariology
- missiology
- monadology
- museology
- odontology
- planetology
- pneumatology
- primatology
- speleology
- stereology
- stomatology
- symptomology
- syphilology
- thanatology
- traumatology
- acanthology
- accentology
- acridology
- act psychology
- actinology
- aesthiology
- agathology
- agriology
- agrostology
- aitiology
- allergology
- anemology
- apiology
- arachnology
- areology
- aretalogy
- ascidiology
- atheology
- balneology
- bibliology
- bracketology
- campanology
- cancerology
- carcinology
- cecidology
- cell biology
- cheirology
- cinchonology
- coccidology
- codicology
- coniology
- cosmecology
- culturology
- dactylology
- daemonology
- deep ecology
- deep psychology
- deltiology
- depth psychology
- diabology
- dipterology
- dolorology
- dysmorphology
- eccrinology
- echinology
- edaphology
- electrology
- engysseismology
- eremology
- erotology
- escapology
- eskimology
- etruscology
- fermentology
- filicology
- fluviology
- folk psychology
- fossilology
- genecology
- geratology
- gnoseology
- gnosiology
- haemorheology
- hagiology
- hemorheology
- heortology
- heterology
- hierology
- histiology
- historiology
- hittitology
- homeology
- homerology
- hormonology
- hyetology
- hysterology
- implantology
- insectology
- iridology
- islandology
- karyology
- koniology
- kremlinology
- leprology
- leptonology
- lichenology
- membranology
- mereology
- myrmecology
- neontology
- neossology
- neurotology
- non-apology
- nonapology
- oecology
- oenology
- olfactology
- ophidology
- ophiology
- orchidology
- organology
- orismology
- oryctology
- paleethnology
- paleology
- papyrology
- parhomology
- parisology
- pasimology
- pekingology
- perissology
- pharyngology
- phthisiology
- pithecology
- planktonology
- plant pathology
- pogonology
- polemology
- ponerology
- potamology
- praxeology
- promorphology
- protistology
- pteridology
- pterylology
- pulmonology
- race psychology
- raciology
- reactology
- selenology
- sematology
- semeiology
- sermonology
- somatology
- sophiology
- spongiology
- sumerology
- synaptology
- synchronology
- synecology
- technicology
- telmatology
- thaumatology
- thremmatology
- thyroidology
- uranology
- urbanology
- uredinology
- venerology
- vexillology
- vulcanology
- weatherology
- zoo-ecology
6 syllables
- bacteriology
- biotechnology
- dialectology
- ecclesiology
- endocrinology
- epistemology
- geochronology
- geomorphology
- histopathology
- hydrogeology
- kinesiology
- meteorology
- microbiology
- neurobiology
- neuropathology
- neuropsychology
- paleontology
- parapsychology
- parasitology
- phytopathology
- psychobiology
- psychopathology
- sedimentology
- soteriology
- symptomatology
- agroecology
- aphasiology
- assyriology
- astrobiology
- chronobiology
- cryobiology
- cytopathology
- dendrochronology
- exobiology
- geohydrology
- hydrobiology
- metapsychology
- micromorphology
- neonatology
- pathobiology
- perinatology
- photobiology
- photogeology
- protozoology
- radioecology
- social psychology
- venereology
- without apology
- acarinology
- accidentology
- aerobiology
- aerogeology
- aerolithology
- agrobiology
- agrogeology
- alphabetology
- amphibiology
- anaplastology
- anthoecology
- anti-technology
- antitechnology
- arachnidology
- araneology
- arbovirology
- astrogeology
- astrolithology
- augenphilologie
- biocenology
- bioecology
- biopsychology
- biotypology
- caenozoology
- cecidiology
- cenozoology
- characterology
- chromosomology
- content psychology
- crisis theology
- criteriology
- crustaceology
- cryopedology
- cryptozoology
- cytohistology
- cytomorphology
- cytotechnology
- desmidiology
- diabolology
- dysteleology
- ego psychology
- enigmatology
- epiphytology
- epizoology
- epizootology
- ethnobiology
- ethnopsychology
- ethnozoology
- exocrinology
- fallot's tetralogy
- folk etymology
- forest pathology
- geopathology
- geotechnology
- geotectology
- gestalt psychology
- glottochronology
- gnotobiology
- hamartiology
- hemipterology
- hepaticology
- heresiology
- hippopathology
- histomorphology
- histotechnology
- hormic psychology
- human ecology
- human ethology
- idiomology
- liturgiology
- malariology
- metabiology
- microecology
- micropedology
- microseismology
- microtechnology
- mining geology
- moral theology
- mundane astrology
- neuro-oncology
- neuro-otology
- neurocytology
- neurohistology
- neuropterology
- neurovirology
- numismatology
- odonatology
- onomatology
- orohydrology
- orthopterology
- osphresiology
- otoneurology
- palaetiology
- paleichthyology
- paletiology
- paradoxology
- pathomorphology
- phytobiology
- phytoserology
- plant physiology
- plant sociology
- point set topology
- process theology
- psychoneurology
- psychotechnology
- pyramidology
- retrovirology
- revealed theology
- reverse psychology
- rickettsiology
- sacred theology
- semasiology
- social pathology
- sovietology
- suicidology
- teleseismology
- theanthropology
- universology
- vector psychology
- vitaminology
- zoopathology
7 syllables
- anesthesiology
- epidemiology
- ethnomethodology
- ethnomusicology
- gastroenterology
- immunobiology
- immunopathology
- neuropharmacology
- neurophysiology
- neuroradiology
- otolaryngology
- paleobiology
- paleoecology
- pathophysiology
- physiopathology
- psychopharmacology
- psychophysiology
- radiobiology
- sociobiology
- anaesthesiology
- clinical psychology
- dermatopathology
- ecophysiology
- ecotoxicology
- electrotechnology
- epizootiology
- neurotoxicology
- paleopathology
- theriogenology
- abnormal psychology
- aestho-physiology
- agrioecology
- agroclimatology
- animal psychology
- anthropomorphology
- archaeogeology
- asteroseismology
- behavior psychology
- biblical theology
- bioanthropology
- bioarchaeology
- biochemorphology
- bioclimatology
- biocoenology
- biophysiology
- biosociology
- biospeleology
- cognitive psychology
- coleopterology
- collective psychology
- covenant theology
- cytophysiology
- dendroclimatology
- dermatohistology
- dogmatic theology
- dynamic geology
- dynamic psychology
- electrobiology
- faculty psychology
- federal theology
- formal sociology
- functional psychology
- haematopathology
- helioseismology
- hematopathology
- histophysiology
- hymenopterology
- idiobiology
- immunohistology
- judicial astrology
- lepidopterology
- medical psychology
- medicopsychology
- micro-sociology
- microclimatology
- microphysiology
- morphophysiology
- mycotoxicology
- natural astrology
- natural theology
- negative theology
- neuro-ophthalmology
- neuroembryology
- neuroimmunology
- new england theology
- new haven theology
- oligochaetology
- onomasiology
- orthokeratology
- palaeopathology
- paleodendrology
- paleogeology
- paleohydrology
- paleomammalogy
- paleopedology
- paleopsychology
- paleornithology
- paleozoology
- paroemiology
- pastoral theology
- physical geology
- physicotheology
- physiopsychology
- phytoclimatology
- phytopharmacology
- phytosociology
- positive theology
- practical theology
- psychosociology
- radiotechnology
- rhinolaryngology
- rural sociology
- serial homology
- siphonapterology
- social anthropology
- somatotypology
- structural geology
- structural psychology
- submarine geology
- symbolic theology
- teleradiology
- urban sociology
- urogynaecology
- urogynecology
- uroradiology
- vegetable pathology
- zoopaleontology
8 syllables
- electrophysiology
- information technology
- micropaleontology
- neuroendocrinology
- otorhinolaryngology
- biometeorology
- hydrometeorology
- micrometeorology
- paleoanthropology
- paleoclimatology
- psychoneuroimmunology
- aerobacteriology
- agrometeorology
- algebraic topology
- analytic psychology
- anthroposociology
- applied kinesiology
- appropriate technology
- ascetical theology
- astrometeorology
- behavioral ecology
- behavioral psychology
- comparative psychology
- criminal anthropology
- cultural anthropology
- cultural sociology
- differential psychology
- economic geology
- engineering geology
- existential psychology
- forensic odontology
- general physiology
- historical geology
- immunohaematology
- immunohematology
- immunopharmacology
- immunotoxicology
- industrial psychology
- liberation theology
- meteorobiology
- military psychology
- molecular biology
- mycobacteriology
- organismic psychology
- paleoagrostology
- paleoentomology
- petroleum geology
- pharmaco-oryctology
- physical anthropology
- phytobacteriology
- popular etymology
- pragmatic anthropology
- seroepidemiology
- speculative theology
- stratigraphic geology
- systematic theology
- vocational psychology
- xenodocheionology
9 syllables
- neuropsychopharmacology
- educational psychology
- aesthesiophysiology
- agricultural geology
- analytical psychology
- association psychology
- constitutional psychology
- developmental biology
- dialectical theology
- dynamic meteorology
- esthesiophysiology
- exfoliative cytology
- experimental psychology
- geographical biology
- geotectonic geology
- historical sociology
- immunoparasitology
- individual psychology
- industrial archaeology
- industrial sociology
- mathematical biology
- paleogeomorphology
- personalistic psychology
- physiographic geology
- prehistoric archaeology
- synoptic meteorology
- topological psychology
