2 syllables:
-escent, bessent, cessant, cr., crescent, escent, jessant, ouessant, pesant, pubescent

3 syllables:
accrescent, acescent, albescent, ascessant, calescent, candescent, canescent, caressant, caulescent, concrescent, confessant, decrescent, depressant, excrescent, fervescent, flavescent, florescent, flourescent, fluorescent, frutescent, glabrescent, glaucescent, herbescent, ignescent, incessant, increscent, lactescent, languescent, latescent, lutescent, marcescent, mollescent, nigrescent, pallescent, papescent, pearlescent, petrescent, postpubescent, pre-pubescent, prepubescent, putrescent, quiescent, rancescent, rigescent, rubescent, rufescent, senescent, spinescent, spumescent, sugescent, suppressant, tabescent, torpescent, tumescent, uncessant, virescent, vitrescent

4 syllables:
acaulescent, acquiescent, adipescent, adolescent, adolesent, adultescent, alcalescent, alkalescent, almond crescent, arborescent, cerulescent, cinerescent, circumcrescent, coalescent, contabescent, convalescent, decadescent, decalescent, defervescent, deliquescent, delitescent, detumescent, effervescent, efflorescent, equicrescent, erubescent, evanescent, excandescent, gangrenescent, hyalescent, hypodescent, incalescent, incandescent, incanescent, inflorescent, ingravescent, interessant, intumescent, iridescent, juvenescent, lapidescent, luminescent, maturescent, obmutescent, obsolescent, opalescent, phosphorescent, recalescent, revalescent, revirescent, somnolescent, sonorescent, spinulescent, suffrutescent, supercrescent, violescent, viridescent

5 syllables:
adularescent, anti-depressant, antidepressant, antiputrescent, autofluorescent, inacquiescent, ineffervescent, noneffervescent, preadolescent, rejuvenescent

6 syllables:
bioluminescent, chemiluminescent, immunodepressant, immunofluorescent, immunosuppressant, photoluminescent, s.m.a.r.t, thermoluminescent, triboluminescent

7 syllables:
electroluminescent

2 syllables:
bezant, bezzant, peasant, pheasant, pleasant, present

3 syllables:
prevalent, relevant, renascent, specialist, eloquent, negligent, heaven-sent, estimate, deficit, decadent, prejudiced, pestilent, beguilement, settlement, detriment, evident, definite, pediment, enthrallment, testament, delicate, resonant, temperament, celebrant, delegate, petulant, excellent, feculent, sentiment, element, desolate, redolent, etiquette, sediment, elegant, emigrant, registrant, elephant, recusant, eminent, excrement, methodist, regiment, curettement, tegument, exquisite, pessimist, tenement, geminate, secondment, requisite, at present, crow pheasant, unpleasant

4 syllables:
bedevilment, inelegant, intelligent, irrelevant, integument, impediment, embezzlement, malevolent, prerequisite, affectionate, expressionist, geneticist, federalist, ingeminate, theosophist, maleficent, anesthetist, areca nut, new testament, nonresident, resettlement, perfectionist, development, executant, presentiment, old testament, preeminent, trace element, benevolent, white elephant, antecedent, connecticut, envelopment, sea elephant, trade deficit, indefinite, impressionist, argus pheasant, birthday present, christmas present, golden pheasant, most unpleasant, omnipresent, wedding present

5 syllables:
antifeminist, redevelopment, underestimate, budget deficit, picture element

6 syllables:
chemical element, underdevelopment, african elephant, ribbon development, housing development, federal deficit, historical present

7 syllables:
identity element, arrested development, viatical settlement