3 syllables:
cremini, feminye, geminy, kemeny, lemony, them money, yemeni

4 syllables:
anemone, anemony, hegemony, trigeminy

5 syllables:
posthegemony, quadrigeminy

3 syllables:
agency, blatancy, painfully, aimlessly, patiently, hastily, blazonry, faithfully, spaciously, papacy, wastefully, specialty, graciously, gracefully, vagrancy, shamefully, maidenly, atony, blatantly, latency, fatally, faithlessly, masonry, blamelessly, racially, saliency, crazily, tastefully, gracelessly, vacancy, gratefully, shamelessly, benghazi, bestially, breathlessly, brevity, centrally, chemically, chemistry, clemency, credibly, density, deputy, desperately, destiny, devilry, dextrously, dreadfully, ebony, ecstasy, ectropy, elegy, embassy, emigree, empathy, endlessly, enemy, enmity, entity, entropy, equity, evilly, fecklessly, federally, felony, flexibly, gemini, generally, heavenly, heavily, helpfully, helplessly, jealously, jealousy, jejunely, kennedy, legacy, legatee, legibly, lengthily, lenity, leprosy, medically, melanie, melody, mentally, peasantry, pebbly, pedantry, pederasty, pedigree, penally, penalty, pleasantly, pleasantry, preciously, preferably, pregnancy, presently, readily, recipe, remedy, resiny, restfully, revelry, secondly, self-pity, selflessly, senselessly, sensibly, sentiency, separately, sesame, seventy, severally, specially, splendidly, steadily, stephanie, tenancy, tenantry, tendency, tensity, tentatively, tepidly, testily, threnody, trenchancy, trepidly, velvety, venally, vengefully, weaponry, zealotry, zestfully, zestily

4 syllables:
favorably, press agency, outrageously, salaciously, contagiously, loquaciously, freemasonry, ungraciously, courageously, sagaciously, mistakenly, disgracefully, news agency, naivety, belatedly, impatiently, complacency, insatiably, disdainfully, tenaciously, acceptably, acephaly, allegedly, amenity, ascendancy, ascendency, complexity, confederacy, confessedly, contemptuously, convexity, death penalty, defencelessly, dependency, detestably, discrepancy, domenici, especially, essentially, eventually, exceptionally, expectancy, extremity, fidelity, flux density, forelady, heredity, identity, illegibly, immensity, impendency, impetuously, incessancy, incessantly, inclemency, incredibly, indemnity, ineffably, inequity, infectiously, inflexibly, insensibly, integrity, intensity, intrepidly, jack kennedy, lamentably, licentiously, lieutenancy, lobectomy, longevity, low density, lumpectomy, mastectomy, necessity, nephrectomy, neurectomy, nonentity, ostensibly, penelope, perceptibly, perplexedly, perplexity, polemically, potentially, pretentiously, professedly, professionally, quiescency, rebelliously, refreshfully, regrettably, relentlessly, repentantly, respectably, respectfully, resplendency, resplendently, revengefully, schenectady, sententiously, sequentially, serenity, shell entity, solemnity, splenectomy, successfully, supremacy, telemetry, telepathy, thrombectomy, transcendency, tremendously, unhelpfully, unpleasantly, unsteadily, vasectomy, vulvectomy, with empathy

5 syllables:
unmistakably, unashamedly, inescapably, occasionally, ostentatiously, travel agency, accidentally, acrocephaly, anencephaly, appendectomy, biochemistry, change integrity, change intensity, clinocephaly, coalescency, conscientiously, consequentially, create mentally, deferentially, detrimentally, disrespectfully, drunken revelry, embolectomy, field intensity, fundamentally, geochemistry, half-intensity, high-fidelity, high fidelity, hydrocephaly, hysterectomy, incidentally, independency, independently, intumescency, laminectomy, laryngectomy, life expectancy, line of destiny, macrocephaly, mask of pregnancy, mastoidectomy, megacephaly, meniscectomy, microcephaly, mortal enemy, mountain ebony, nanocephaly, naval weaponry, of necessity, oophorectomy, open sesame, orchidectomy, orchiectomy, penitentially, photochemistry, pneumonectomy, prostatectomy, providentially, reprehensibly, reverentially, rhytidectomy, salpingectomy, scaphocephaly, school of dentistry, sentimentally, sigmoidectomy, stapedectomy, sympathectomy, thyroidectomy, tonsillectomy, tubal pregnancy, unacceptably, unforgettably, unintentionally, unpretentiously, unrepentantly, unsuccessfully, vapor density, white supremacy

6 syllables:
employment agency, inefficaciously, mercantile agency, adenoidectomy, adrenalectomy, anas penelope, appendicectomy, change of integrity, cholecystectomy, coincidentally, cosmetic dentistry, electrochemistry, environmentally, experimentally, genus penelope, immunochemistry, inconsequentially, interdependency, manifest destiny, militant tendency, organic chemistry, ovariectomy, panhysterectomy, pedal extremity, physical chemistry, radiochemistry, relative density, simple mastectomy, unsentimentally

7 syllables:
cyclopean masonry, rotational latency, advertising agency, abdominal pregnancy, department of chemistry, executive clemency, feeling of identity, inorganic chemistry, john fitzgerald kennedy, magnetic flux density, magnetic intensity, ovarian pregnancy, radical mastectomy, suprarenalectomy, total hysterectomy

8 syllables:
regulatory agency, conformational entropy, interpersonal chemistry, radical hysterectomy

9 syllables:
central intelligence agency

10 syllables:
modified radical mastectomy

11 syllables:
environmental protection agency

14 syllables:
international atomic energy agency