2 syllables:
bender, bendir, blender, blendr, brender, brendor, dender, dendr, ender, endor, endre, fender, gender, hender, kender, lender, mender, pender, pendere, prender, prendere, render, rendre, schlender, sclender, sender, skender, slender, spender, splender, splendor, splendore, stender, tender, trender, vender, vendor, vendre, wender, yender, zehnder, zender

3 syllables:
absender, agender, allender, amender, anwender, apprendre, aprender, ascender, atender, attender, attendre, b-bender, bartender, befriender, callender, cavender, challender, cisgender, commender, comprender, contender, contendere, cross-gender, dead-ender, defendor, degender, depender, descender, descendre, dispender, distender, eastender, einbender, encender, engender, entender, esplendor, expender, extender, fasbender, fassbender, goaltender, hellbender, ingender, intender, intendere, mind-bender, misrender, misspender, muckender, newsvendor, ofender, offender, offendere, perpender, pretender, provender, rear-ender, retender, riprendere, sandbender, surrender, suspender, tail-ender, transcender, transgender, untender, weekender

4 syllables:
apprehender, aprehender, bitdefender, bittenbender, bitter-ender, condescender, discommender, double-ender, fender-bender, gender-bender, nonattender, overspender, parascender, recommender, reoffender, reprehender, self-surrender, vandevender, vilipender

5 syllables:
superintender

2 syllables:
ember, centre, centaur, mentor, venter, stentor, enter, member, renter, center, tenter, temper, kemper, splendour

3 syllables:
concenter, extempore, remember, november, presenter, september, distemper, december, accentor, centare, nonmember, precentor, dismember, attemper, dissenter, inventor, lamenter, off-center, one-member, re-enter

4 syllables:
left-of-center, mid-december, mid-november, mid-september