4 syllables:
arthrolysis, autolysis, biolysis, chemolysis, chondrolysis, cytolysis, frontolysis, gastrolysis, glycolysis, haemolysis, histolysis, homolysis, hydrolysis, isolysis, lipolysis, litholysis, myolysis, necrolysis, nephrolysis, neurolysis, photolysis, pyrolysis, spasmolysis, steatolysis, thermolysis, thrombolysis, tigrolysis, tocolysis, zymolysis

5 syllables:
acantholysis, alcoholysis, aminolysis, ammonolysis, amylolysis, cardiolysis, chromatolysis, deplasmolysis, dermatolysis, dielectrolysis, electrolysis, enzymolysis, erythrolysis, fibrinolysis, haematolysis, hematolysis, heterolysis, karyolysis, lymphatolysis, onycholysis, ozonolysis, phosphorolysis, pneumatolysis, proteolysis, radiolysis, spondylolysis, uricolysis

6 syllables:
achromatolysis, autohemolysis, bacteriolysis, emperipolesis, glycogenolysis, haemocytolysis, hemocytolysis, isohemolysis, myocytolysis, phagocytolysis, rhabdomyolysis

7 syllables:
acro-osteolysis, erythrocytolysis, hyperfibrinolysis

3 syllables:
bottomless, cognizance, columnists, commonness, communists, confidence, conscienceless, consciousness, consequence, consonance, continence, continents, documents, dominance, godlessness, honestness, modestness, monuments, noxiousness, obstinance, occupants, oculus, ominous, omnibus, omphalus, onymous, opulence, oxalis, pompousness, populace, populous, populus, profitless, prominence, prophetess, protestants, provenance, providence, romulus, rottenness, scolytus, slothfulness, somnolence, spotlessness, squalidness, stolidness, strophanthus, vomitus, watchfulness

4 syllables:
abdominous, acrogenous, acromphalus, acropolis, ammotragus, androgenous, anonymous, anthophagous, apogamous, apophasis, astomatous, autogenous, autologous, autonomous, carpophagous, cryptogamous, endogamous, eponymous, esophagus, exogamous, gymnopilus, hippotragus, homologous, hypothesis, idolatress, improvidence, incompetence, incontinence, lose consciousness, melophagus, metropolis, monogamous, monotonous, necropolis, nitrogenous, obnoxiousness, oesophagus, panonychus, pathologists, phytophagous, predominance, psychologists, recognizance, reconnaissance, saprophagous, sarcolemnous, sarcophagus, self-confidence, self-consciousness, subconsciousness, synonymous, taurotragus, uncommonness, uropsilus, with confidence, zoophagous

5 syllables:
air reconnaissance, anisogamous, anthropophagus, campylotropous, creeping oxalis, disconsolateness, entomophilous, genus oxalis, heterologous, hippopotamus, loss of consciousness, megalopolis, nonautonomous, nonnitrogenous, ophiophagus, semiconsciousness, stephanopoulos, stream of consciousness, unselfconsciousness, vote of confidence

6 syllables:
adrianopolis, bacteriophagous, megalobatrachus

7 syllables:
displaying incompetence, genus hippopotamus

8 syllables:
alcoholics anonymous, electronic reconnaissance, urinary incontinence

15 syllables:
international society for krishna consciousness