2 syllables:
-gnosis, -osis, cosas, croesus, dosis, gnosis, kocis, kosice, locis, mosis, nosis, prosus, ptosis, sosus, tosas, whosis

3 syllables:
-biosis, aosis, aphthosis, arthrosis, artosis, cheilosis, chemosis, chondrosis, chylosis, cirrhosis, cittosis, curtosis, cyllosis, cyrtosis, cytosis, diarthrosis, diplosis, dipsosis, dulosis, enosis, fibrosis, fibrosus, formosus, ganosis, gaposis, gestosis, glaucosis, gliosis, gryposis, gummosis, haplosis, henosis, hidrosis, hipgnosis, hypnosis, ichthyosis, idrosis, kenosis, ketosis, kinetosis, kraurosis, kurtosis, kyllosis, leucosis, limosis, lordosis, macrosis, meiosis, mimosas, miosis, mitosis, morosis, morosous, mycosis, narcosis, nearthrosis, necrosis, nephrosis, neurosis, oncosis, osmosis, ostosis, otosis, ozzmosis, perosis, phimosis, phytosis, pilosis, porosis, prognosis, proptosis, psicosis, psorosis, psychosis, psygnosis, ptilosis, pyarthrosis, pycnosis, pyknosis, pyrosis, rhaebosis, rhigosis, rugosas, sarcosis, sclerosis, sialosis, sorosis, spargosis, sphrigosis, splenosis, steatosis, stegnosis, stenosis, strumosus, sycosis, sylosis, symptosis, syndesmosis, talcosis, tephrosis, thrombosis, trichosis, trombosis, tylosis, typhlosis, tyrosis, virosis, xanthosis, zoonosis, zygosis, zymosis

4 syllables:
abarthrosis, acanthosis, acidosis, adiposis, alkalosis, allergosis, amaurosis, ameiosis, amitosis, anabrosis, anchylosis, anhidrosis, anhydrosis, anidrosis, ankylosis, anthracosis, antiptosis, apodosis, argyrosis, asbestosis, athetosis, atrichosis, autognosis, bagascosis, bagassosis, baragnosis, baritosis, barognosis, biognosis, bromhidrosis, bromidrosis, brucellosis, byssinosis, calcicosis, calcinosis, calculosis, candidosis, carcinosis, chalicosis, chaosmosis, chemosmosis, chromatosis, chromhidrosis, chromidrosis, cladoptosis, coloptosis, coniosis, cowdriosis, cyanosis, cyclarthrosis, cystinosis, dermatosis, dermostosis, dextrinosis, diabrosis, diagnosis, diorthosis, dysarthrosis, dysbiosis, dyshidrosis, dysidrosis, dyskaryosis, dysostosis, ecchondrosis, ecchymosis, eccymosis, ectostosis, ekpyrosis, elastosis, empyrosis, enarthrosis, endosmosis, endostosis, enostosis, epulosis, erythrosis, exosmosis, exostosis, fasciolosis, ferroptosis, fluorosis, galactosis, gastroptosis, geognosis, gloriosus, glossoptosis, granulosis, haemarthrosis, haematosis, halitosis, hemarthrosis, hematosis, heterosis, melanosis, hydrarthrosis, hypinosis, ischidrosis, kakidrosis, keratosis, lepidosis, leucinosis, lipidosis, lupinosis, madarosis, malacosis, mariposas, marmarosis, marmorosis, melioidosis, metachrosis, metemptosis, metroptosis, mucinosis, nebulosus, necroptosis, nephroptosis, nephropyosis, ochronosis, onychosis, oomycosis, osmidrosis, osteosis, oxalosis, pansclerosis, papulosis, paremptosis, parostosis, peliosis, perniosis, phalacrosis, phanerosis, phlyctenosis, pholidosis, phymatosis, pneumarthrosis, pneumatosis, poliosis, pollenosis, pollinosis, polyposis, ponderosas, proemptosis, proteinosis, pseudarthrosis, psittacosis, psychognosis, pterylosis, pustulosis, pyonephrosis, pyroptosis, restenosis, rhytidosis, rutidosis, sarcostosis, scoliosis, selenosis, self-hypnosis, semiosis, sequoiosis, shigellosis, siderosis, sparganosis, speciosus, spirillosis, splanchnoptosis, splenoptosis, spondylosis, spongiosis, suberosis, symbiosis, symbiosys, synarthrosis, synchondrosis, synoeciosis, synostosis, syssarcosis, tabacosis, tapinosis, telegnosis, tendinosis, tenostosis, teratosis, thanatosis, thesaurosis, thyroptosis, topagnosis, topognosis, toxicosis, transcytosis, trichinosis, uratosis, urelcosis, uridrosis, vaginosis, varicosis, verrucosis, vibriosis, xerosis

5 syllables:
abarognosis, acarinosis, acariosis, achromatosis, acroagnosis, acrosclerosis, aerobiosis, aeroneurosis, agalactosis, agranulosis, albuminosis, aluminosis, amebiosis, amoebiosis, amphiarthrosis, amyloidosis, anabiosis, anacyclosis, anadiplosis, anaplasmosis, anaplerosis, anastomosis, anastylosis, antibiosis, aponeurosis, apotheosis, apotheosise, archebiosis, arthrogryposis, aspergillosis, asteatosis, astrocytosis, ateleiosis, ateliosis, atheromatosis, atopognosis, autohypnosis, babesiosis, bacteriosis, bartonellosis, basocytosis, berylliosis, bilharziosis, biocenosis, bionecrosis, blastomycosis, blepharoptosis, borreliosis, bronchomycosis, bronchostenosis, carbunculosis, carotenosis, catabiosis, chemiosmosis, chondromatosis, chromomycosis, cleptobiosis, coccidiosis, coenurosis, colpostenosis, colpoxerosis, combat neurosis, craniostosis, cryptobiosis, cryptococcosis, cysticercosis, cystic fibrosis, cytauxzoonosis, demodicosis, distomatosis, donovanosis, dyskeratosis, ehrlichiosis, enantiosis, endocytosis, endomitosis, enterelcosis, enteroptosis, epanorthosis, epibiosis, eurosclerosis, exocytosis, fibroelastosis, fibromatosis, folliculosis, fucosidosis, furunculosis, galactidrosis, gastrostenosis, geotrichosis, gliomatosis, glossopyrosis, glycogenosis, gnotobiosis, haematidrosis, hallucinosis, hematidrosis, hidromeiosis, histoplasmosis, homoeosis, homozygosis, hydatidosis, hydronephrosis, hypercementosis, hyperhidrosis, hyperhydrosis, hyperidrosis, hyperinosis, hyperostosis, hyperthecosis, hypertrichosis, hypohidrosis, hypotrichosis, iridoptosis, keratonosis, keratonosus, koilocytosis, legionellosis, leishmaniosis, lentiginosis, leptocytosis, leptospirosis, lestobiosis, leucocytosis, leukocytosis, lipoidosis, lipomatosis, listeriosis, lobomycosis, loganamnosis, lymphoblastosis, lymphocytosis, lymphomatosis, macrobiosis, macrocytosis, mannosidosis, mastocytosis, melorheostosis, mesodiplosis, metempsychosis, metrostenosis, microcytosis, misdiagnosis, monocytosis, mucormycosis, mycoplasmosis, myocardosis, myonecrosis, myosclerosis, myxomatosis, myxomitosis, narcohypnosis, necrobiosis, necrocytosis, neoarthrosis, nephrosclerosis, nocardiosis, nosomycosis, onchocercosis, onychoptosis, otomycosis, otosclerosis, panmyelosis, parabiosis, paradentosis, paradontosis, paraphimosis, parasitosis, paratrichosis, pasteurellosis, pediculosis, periostosis, phagocytosis, phakomatosis, pharmacognosis, phlebosclerosis, phlebostenosis, phlebothrombosis, phlyctenulosis, phobic neurosis, phycomycosis, pinocytosis, plasmacytosis, pleocytosis, pneumocystosis, pneumocytosis, pneumomycosis, polyhedrosis, polyhidrosis, proctostenosis, pseudoarthrosis, pseudosclerosis, psychoneurosis, rectostenosis, reticulosis, reverse-osmosis, rhaphanidosis, rhinonecrosis, rhinostenosis, rickettsiosis, salmonellosis, sarcocystosis, sarcoidosis, sarcomatosis, satellitosis, schizomycosis, schwannomatosis, sclerostenosis, self-diagnosis, senile psychosis, sialidosis, silicatosis, spherocytosis, spirochetosis, spondylopyosis, sporotrichosis, stereognosis, synneorosis, synosteosis, telangiosis, theileriosis, thermoneurosis, thesaurismosis, thrombocytosis, toxoplasmosis, trichinellosis, trichomycosis, trichophytosis, trichoptilosis, trichosporosis, trifoliosis, trogocytosis, trophobiosis, trophoneurosis, tuberculosis, uronephrosis, vasoneurosis, venosclerosis, visceroptosis, winnipegosis, xanthomatosis, yersiniosis, zygomycosis

6 syllables:
acanthocytosis, acrocyanosis, acrodysostosis, acropustulosis, actinomycosis, adenofibrosis, adenomatosis, adenosclerosis, adiponecrosis, aflatoxicosis, aganglionosis, aleukocytosis, alymphocytosis, anacoenosis, anaerobiosis, angiomatosis, angioneurosis, angiostenosis, anisocytosis, anoxybiosis, anthropozoonosis, astereognosis, atherosclerosis, avitaminosis, biocoenosis, blepharophimosis, botryomycosis, bulbocavernosus, carcinomatosis, cardiosclerosis, cerebral thrombosis, cholesterolosis, chondrocalcinosis, craniosclerosis, dacryostenosis, dactylogryposis, dermatomycosis, dermatophilosis, dermatophytosis, dermatosclerosis, diverticulosis, dyschondrosteosis, echinococcosis, electro-osmosis, electronarcosis, electroosmosis, elliptocytosis, emiocytosis, enchondromatosis, endometriosis, endosymbiosis, enterostenosis, epanadiplosis, erythematosus, erythroblastosis, erythrocytosis, gangliosidosis, genodermatosis, granuloblastosis, granulocytosis, granulomatosis, haemochromatosis, haemosiderosis, hemochromatosis, hemoconiosis, hemosiderosis, heterokaryosis, heterotrichosis, heterozygosis, histiocytosis, hyperadenosis, hypergalactosis, hypomelanosis, hypothyreosis, karyomitosis, karyopyknosis, karyostenosis, keratomycosis, ketoacidosis, kyphoscoliosis, laryngostenosis, leukoaraiosis, leukokeratosis, lipofuscinosis, lycoperdonosis, maduromycosis, maschalephidrosis, medical prognosis, medionecrosis, metasomatosis, metensomatosis, mononucleosis, mucolipidosis, mucoviscidosis, multiple sclerosis, mycotoxicosis, myeloblastosis, myelocytosis, myelofibrosis, myelomatosis, myelosclerosis, myospherulosis, nephrocalcinosis, neurodermatosis, onychocryptosis, onychogryposis, onychomycosis, orthokeratosis, osteoarthrosis, osteochondrosis, osteofibrosis, osteonecrosis, osteopetrosis, osteoporosis, osteopsathyrosis, osteosclerosis, pachydermatosis, papillomatosis, parakeratosis, periodontosis, pharyngomycosis, phospholipidosis, phytocoenosis, pneumoconiosis, pneumosilicosis, podoconiosis, poikilocytosis, polyadenosis, porokeratosis, psychodiagnosis, pycnodysostosis, pyelonephrosis, pyloristenosis, pylorodiosis, pylorostenosis, radionecrosis, semimembranosus, serodiagnosis, siderofibrosis, sphingolipidosis, stomatocytosis, stomatonecrosis, thyrotoxicosis, tracheostenosis, treponematosis, ureteropyosis, uvuloptosis, verticilliosis, xenodiagnosis

7 syllables:
acrotrophoneurosis, agranulocytosis, alpha-mannosidosis, amylopectinosis, antituberculosis, anxiety neurosis, apocolocyntosis, ariboflavinosis, arterial sclerosis, arteriosclerosis, autophagocytosis, choreoathetosis, chromoblastomycosis, chytridiomycosis, coccidiomycosis, coronary thrombosis, coxotuberculosis, craniosynostosis, cryptosporidiosis, electrodiagnosis, electroendosmosis, eperythrozoonosis, epidermophytosis, erythrocyanosis, gastroanastomosis, gastroenteroptosis, glomerulosclerosis, hemihyperhidrosis, hyperleukocytosis, hypervitaminosis, hypovitaminosis, hysterical neurosis, immunodiagnosis, iridodiagnosis, ischiocavernosus, isohypercytosis, isohypocytosis, leiomyomatosis, leukocytozoonosis, medical diagnosis, micropinocytosis, mycobacteriosis, myofibromatosis, nephroangiosclerosis, nephroblastomatosis, nesidioblastosis, neuroborreliosis, neurocysticercosis, neurofibromatosis, neurosarcoidosis, osteopoikilosis, pancreatic fibrosis, paratuberculosis, phaeohyphomycosis, pneumonoconiosis, pseudotuberculosis, radiodiagnosis, reticulocytosis, rhinosporidiosis, sarcosporidiosis, schizophrenic psychosis, silicoproteinosis, silicosiderosis, ureterostenosis

8 syllables:
arteriolosclerosis, campylobacteriosis, coccidioidomycosis, disseminated sclerosis, encephalitozoonosis, enteroanastomosis, leukoerythroblastosis, lipodermatosclerosis, lymphangiomyomatosis, lymphogranulomatosis, lymphohistiocytosis, neuroacanthocytosis, osteochondromatosis, pyropoikilocytosis

9 syllables:
acrokeratoelastoidosis, craniocleidodysostosis, mucopolysaccharidosis, osteoradionecrosis, pachydermoperiostosis, pulmonary tuberculosis, reticuloendotheliosis, ureterohydronephrosis

10 syllables:
paracoccidioidomycosis, reticulohistiocytosis

11 syllables:
amyotrophic lateral sclerosis, lipomucopolysaccharidosis, lymphangioleiomyomatosis

2 syllables:
clovis, moses