1 syllable:
bonce, bons, bronce, chaunce, conce, cronce, faunce, fronce, gaunce, gonce, haunce, honse, jaunce, launce, nonce, paunce, ponce, ronce, schronce, schwanz, sconc, sconce, scronce, skonce, traunce, vaunce, yonce, ann's, anne's, annes, ban's, banns, bans, benz, branz, caen's, can's, cannes, cans, chan's, clans, crans, dan's, danz, fan's, fans, fans', flans, frans, franz, franze, fsanz, gans, ganz, ganze, glans, glanz, grans, han's, hands, hannes, hanns, jan's, jannes, jans, janz, kanz, klan's, klans, krans, kranz, lanz, lanze, man's, mann's, mannes, manns, mans, manz, nan's, pan's, pans, pflanze, plan's, plans, plans', rans, ranz, sannes, sans, sanz, scans, schanze, span's, spans, spanz, stan's, stans, stanze, tans, trans, tranz, vannes, vans, vtrans, xanes

2 syllables:
absconce, avaunce, croissance, enfance, ensconce, fianc, insconce, jouissance, naissance, patonce, pilonce, prononce, reponse, response, snaphaunce, somonce, sperance, write-once, afghans, alcan's, all-trans, bedpans, bilanz, byzanz, c-span's, caftans, caltrans, cancans, cezanne's, chavannes, chimpanze, deadpans, dextrans, diane's, dishpans, divans, dustpans, galanz, goodman's, greenspan's, humanz, inspans, intrans, iran's, itrans, japan's, japans, joannes, kaftans, lianes, lifespans, lipans, mccann's, meehans, mfans, outspans, pecans, rattans, retrans, roseanne's, rosecrans, saucepans, sedans, stockman's, sub-clans, substanz, sudan's, suntans, sustrans, taipans, tarzan's, tympans, vacanze, wingspans

3 syllables:
chevisance, disavaunce, dose-response, learned response, lesperance, mountenaunce, nonchalance, nonresponse, renaissance, renissance, saliaunce, also-rans, bantustans, bruno ganz, businessman's, businessmans, callahan's, caravans, castellans, counterplans, diskrepanz, eurovans, gamelans, intertrans, kazakhstan's, kosovans, lumberman's, minivans, pakistan's, prestonpans, protistans, rosenkrans, sacristans, simutrans, super-cannes, taliban's, talibans, tragopans

4 syllables:
acustumaunce, aix-en-provence, call-and-response, challenge-response, immune response, impuissance, reconnoissance, startle response, acaridans, afghanistan's, afghanistans, mohammedans, tajikistan's

5 syllables:
conditioned response, frequency response, salon-de-provence

6 syllables:
alpes-de-haute-provence, conditional response, iwrestledabearonce, acanthocephalans, list of hindi film clans

7 syllables:
humoral immune response

8 syllables:
conditioned avoidance response

9 syllables:
conditioned emotional response

1 syllable:
dams, lambs, grams, jams, wants, gangs, gramm's, hangs, sam's, scams

2 syllables:
birth pangs, exams