2 syllables:
bemis, cimiss, demas, demus, d mus, lemus, nemus, premious, remus, rimas, see miss, squeamous, themis, trimas, trimis, we miss

3 syllables:
edemas, extremis, ginglymus, imprimis, redeem us, rodimus

4 syllables:
apodemus, cnemis

2 syllables:
maleness, genus, peanuts, venus, weeness

3 syllables:
abidance, anthesis, adamance, agamous, camelus, fatuous, tantalus, scandalous, anoestrus, fractiousness, antabuse, ravenous, passionless, thalamus, astacus, flatulence, crapulous, handleless, calculus, ampleness, annulus, ambulance, abacus, averageness, tactlessness, acinous, bashfulness, hatefulness, balanus, thankfulness, blasphemous, fabulous, assonance, cannabis, gratefulness, accidents, accidence, abstinence, acanthus, handedness, fathomless, sanguineness, caducous, callousness, randomness, platanus, class-conscious, angelus, handsomeness, ancestress, crapulence, acinus, bird genus, burhinus, carpinus, colinus, cotinus, delphinus, dominus, fern genus, fish genus, form genus, lentinus, lupinus, moss genus, orcinus, pinguinus, plant genus, ricinus, salinas, sereness, serinus, silenus, sponge genus, subgenus, type genus, worm genus

4 syllables:
analysis, unanimous, miraculous, magnanimous, ambassadress, gelatinous, paralysis, iapetus, savageness, astragalus, recalcitrance, anachronous, dialysis, extravagance, capacitance, affableness, analogous, calamitous, intransigence, manageress, ungratefulness, substantialness, incandescence, callorhinus, carcharhinus, cetorhinus, fungus genus, genus venus, mammal genus, mollusk genus, muscardinus, odobenus, reptile genus, rosmarinus, salvelinus, thylacinus, vena genus, zigadenus

5 syllables:
pusillanimous, oleaginous, cartilaginous, renal calculus, cost analysis, arthropod genus, galeorhinus, neolentinus

6 syllables:
systems analysis, integral calculus, psychoanalysis, flaccid paralysis, predicate calculus, functional calculus, hemodialysis, amphibian genus, bacteria genus

7 syllables:
infantile paralysis, harmonic analysis, regression analysis, urinary calculus, differential calculus

8 syllables:
qualitative analysis, gravimetric analysis, quantitative analysis

9 syllables:
infinitesimal calculus