3 syllables:
habitants

4 syllables:
cohabitants

2 syllables:
maleness

3 syllables:
abidance, anthesis, adamance, activeness, agamous, camelus, fatuous, tantalus, clannishness, scandalous, anoestrus, scalenus, fractiousness, raggedness, antabuse, ravenous, lavishness, passionless, thalamus, astacus, flatulence, jaggedness, crapulous, handleless, calculus, ampleness, annulus, ambulance, massiveness, abacus, averageness, tactlessness, brackishness, acinous, bashfulness, hatefulness, balanus, candidness, thankfulness, blasphemous, strabismus, fabulous, lastingness, assonance, gangrenous, cannabis, gratefulness, pallidness, accidents, accidence, abstinence, acanthus, rakishness, taskmistress, handedness, fathomless, sanguineness, caducous, animus, callousness, randomness, platanus, class-conscious, angelus, handsomeness, ancestress, passiveness, crapulence, activists, advocates, anabrus, analysts, anginous, antrozous, anulus, anxiousness, appetence, avidness, cabassous, cabinets, calamus, cancellous, crabbedness, cracticus, famulus, fraxinus, gladfulness, gladsomeness, graduates, granicus, jaculus, manfulness, nabalus, naturalness, sacculus, tactfulness, tragulus, zalophus, acridness, agdistis, amebous, andricus, anestrous, anestrus, applicants, atticus, mandrillus, placidness, prankishness, snappishness, vapidness, waggishness

4 syllables:
analysis, unanimous, miraculous, attractiveness, magnanimous, ambassadress, impassiveness, gelatinous, paralysis, abstractedness, iapetus, savageness, refractiveness, astragalus, recalcitrance, anachronous, dialysis, extravagance, capacitance, equanimous, affableness, combativeness, analogous, calamitous, intransigence, expansiveness, manageress, ungratefulness, substantialness, incandescence, anatomise, antagonise, elaborateness, invalidness, left-handedness, metabolous, misshapenness, right-handedness, the calculus, unnaturalness, establishments, inactiveness, outlandishness, viaticus

5 syllables:
pusillanimous, oleaginous, cartilaginous, renal calculus, cost analysis, ametabolous, genus cannabis, leptodactylus, macrodactylus, mucilaginous, openhandedness, pterodactylus, self-analysis, uranalysis, brachydactylous, everlastingness, genus atticus, polydactylus, unattractiveness

6 syllables:
systems analysis, integral calculus, psychoanalysis, flaccid paralysis, predicate calculus, functional calculus, hemodialysis, artiodactylous, cystoparalysis, haemodialysis, hemimetabolous, holometabolous, spectrum analysis

7 syllables:
infantile paralysis, harmonic analysis, regression analysis, urinary calculus, differential calculus, chemical analysis, critical analysis, eleutherodactylus, heterometabolous, in the last analysis

8 syllables:
qualitative analysis, gravimetric analysis, quantitative analysis, in the final analysis

9 syllables:
infinitesimal calculus

10 syllables:
methodological analysis

11 syllables:
quantitative chemical analysis