3 syllables:
happily, fractiously, gallantly, thankfully, tapestry, axletree, phantasy, cabinetry, capably, scammony, apogee, chastity, nastily, blasphemy, anthony, sanity, craftily, rapidly, banditry, tragedy, balcony, rampantly, gascony, balmily, gravelly, captaincy, galaxy, travesty, fallacy, patchouli, nascency, stagnancy, damnably, laxity, bashfully, halfpenny, apathy, satiny, faculty, calumny, valiantly, valency, ataxy, abbacy, absently, antony, lazily, baptistery, atrophy, amnesty, majesty, callously, mangabey, maggoty, scantily, practically, anxiously, anomie, angrily, flashily, cadency, gallantry, agony, rhapsody, falconry, sassaby, agilely, scrappily, tangency, bankruptcy, passably, saxony, patently, tammany, gadgetry, fantasy, valiancy, malady, family, pageantry, handily, tastily, basketry, cannily, manfully, tactfully, alchemy, plangency, randomly, canopy, affably, manatee, cavalry, vanity, rackety, strategy, rascally, agassi, baptistry, cagily, chaplaincy, chattily, class musci, dapple-grey, dappled-grey, faddily, jaggedly, lambency, laughably, laxly, mccabe, natalie, pallidly, raggedly, ratafee, sacristy, scrabbly, tactlessly, tattily, wackily

4 syllables:
tonality, modality, casually, formality, vitality, unhappily, brutality, rationally, fugacity, casualty, actually, opacity, diastole, alacrity, sagacity, compatibly, mentality, catastrophe, audacity, mortality, anatomy, locality, nasality, substantially, naturally, vivacity, mammalogy, calamity, neutrality, edacity, frugality, legality, pugnacity, insanity, philately, totality, analogy, elaborately, disassembly, academy, type family, profanity, nationally, lethality, juglandaceae, rapacity, reality, anastrophe, capacity, normality, sodality, finality, carnality, philanthropy, morality, examinee, salacity, voracity, financially, beech family, birch family, bird family, box family, dextrality, elm family, fern family, first balcony, fish family, flax family, form family, gourd family, grass family, heath family, hemp family, horse cavalry, inanity, loquacity, mark antony, mint family, moss family, palm family, pea family, pine family, pink family, plant family, rascality, rose family, rue family, rush family, sedge family, spurge family, tea family, unmanfully, urbanity, worm family, yam family, yew family

5 syllables:
sexuality, cordiality, perspicacity, triviality, understandably, actuality, factuality, unreality, criticality, abnormality, royal family, circumstantially, incapacity, joviality, alismatidae, pertinacity, subnormality, geniality, satisfactorily, gross anatomy, liberality, nationality, practicality, commonality, hylobatidae, inhumanity, irrationally, hospitality, underhandedly, animality, sensuality, spiral galaxy, generality, musicality, unnaturally, partiality, aloe family, arum family, aster family, balsam family, buckthorn family, buckwheat family, cactus family, caper family, carrot family, clinodactyly, corkwood family, corporeality, cypress family, daphne family, dogbane family, dogwood family, duckweed family, eelgrass family, foxglove family, french academy, fungus family, gentian family, ginger family, goosefoot family, grapevine family, grass tree family, holly family, horsetail family, incompatibly, in reality, iris family, irreality, ivy family, laurel family, legume family, lily family, linden family, logicality, loosestrife family, lower saxony, lyricality, madder family, mallow family, mammal family, mangrove family, maple family, mental faculty, milkweed family, mollusk family, mustard family, myrtle family, nettle family, nutmeg family, olive family, orchid family, pepper family, physicality, plantain family, pokeweed family, poppy family, primrose family, prodigality, redwood family, reptile family, rockrose family, second balcony, sense modality, sesquipedality, severality, sinistrality, spatiality, sumac family, temporality, touch modality, travel rapidly, typicality, upper balcony, verticality, walnut family, whimsicality, willow family, with formality

6 syllables:
asexuality, araliaceae, infant mortality, incorporeality, pathetic fallacy, congeniality, unilaterally, bilaterality, universality, irrationality, spirituality, substantiality, amaranthaceae, nuclear family, ambystomatidae, bisexuality, municipality, channel capacity, extended family, milky way galaxy, internationally, dimensionality, artificiality, aerophilately, air force academy, amaranth family, arrowroot family, arthropod family, as a formality, atypicality, banana family, begonia family, bellflower family, buttercup family, carnation family, conjugal family, conviviality, cylindricality, cyrilla family, ebony family, ephemerality, essentiality, gooseberry family, horizontality, illiberality, illogicality, impracticality, magnolia family, mechanized cavalry, mental capacity, mistletoe family, mulberry family, naval academy, neuroanatomy, nonsensicality, papaya family, peony family, pineapple family, plato's academy, plea of insanity, police academy, polytonality, potato family, potentiality, quassia family, reciprocality, seating capacity, sensory faculty, sesame family, tamarisk family, theatricality, tupelo family, unsatisfactorily, untypicality, ununderstandably, verbena family, violet family, winter's bark family, without formality

7 syllables:
superficiality, homosexuality, insubstantiality, immateriality, territoriality, confidentiality, virtual reality, amaryllis family, amphibian family, bacteria family, geranium family, honeysuckle family, inessentiality, mahogany family, oleaster family, one-dimensionality, psychosexuality, rhinoceros family, sexual morality, third-dimensionality, three-dimensionality, two-dimensionality, uncongeniality, valerian family, visual modality

8 syllables:
microscopic anatomy, military academy, auditory modality, electrical capacity, genetic abnormality, olfactory modality

9 syllables:
congenital abnormality