3 syllables:
cal isi, falacy, fallacy, galasie, hallisey, kalasie, khalasi

6 syllables:
pathetic fallacy

7 syllables:
motte-and-bailey fallacy

3 syllables:
emphasise, recognize, sensitize, pesticides, specialize, ebonize, centralize, melodize, penalize, metricize, bestialize, mechanize, televise, elegize, emphasize, deputize, devilize, empathize, actively, amity, candidly, cassidy, casuistry, clannishly, drastically, faddishly, flashily, gaspingly, gramineae, graphically, gravity, haptically, lavishly, magically, mattingly, naseby, panicky, pantingly, passively, radically, raffishly, ramblingly, raspingly, sanctity, savagely, slantingly, smashingly, stragglingly, tragically, validly, vanity

4 syllables:
desensitize, anesthetize, decentralize, sensualize, federalize, vasectomize, adactyly, attractively, banality, , bombastically, brutality, calamity, capacity, carnality, centrality, combatively, dramatically, ecstatically, emphatically, enchantingly, erratically, expansively, fantastically, fatality, grammatically, humanity, insanity, mechanically, mendacity, mentality, nostalgically, offhandedly, organically, outstandingly, plurality, protractedly, pugnacity, romantically, sarcastically, sporadically, syndactyly, tenacity, theatrically, venality, veracity

5 syllables:
occidentalize, overemphasize, compartmentalize, sentimentalize, orientalize, atonality, autocratically, automatically, brachytactyly, christianity, cordiality, criminality, cruciality, democratically, diplomatically, enigmatically, everlastingly, factuality, geographically, graduality, illegality, immorality, immortality, informality, inorganically, marginality, mutuality, nationality, personality, pertinacity, principality, punctuality, puritanically, rationality, single-handedly, sociality, speciality, symptomatically, systematically, technicality, unattractively, undramatically, ungrammatically, unromantically

6 syllables:
conceptuality, conditionality, conventionality, diagrammatically, directionality, effectuality, emotionality, enthusiastically, eventuality, impartiality, instrumentality, intentionality, materiality, originality, orthogonality, proportionality, sentimentality, split personality, traditionality, undemocratically, undiplomatically, unsystematically

7 syllables:
anal personality, constitutionality, counterfactuality, cult of personality, immateriality, individuality, ineffectuality, internationality, oral personality, superficiality, unconventionality, unemotionality, unenthusiastically, unoriginality

8 syllables:
genital personality, heterosexuality, multiple personality, sexual immorality

9 syllables:
psychopathic personality