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

3 syllables:
absender, agender, allender, amender, anwender, apprendre, aprender, ascender, atender, attender, attendre, b-bender, bartender, befriender, big spender, callender, cavender, challender, cisgender, commender, comprender, contender, contendere, cross-gender, dead-ender, defendor, defend her, 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, offend her, 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, first offender, gender-bender, legal tender, nonattender, overspender, parascender, recommender, reoffender, reprehender, self-surrender, vandevender, vilipender

5 syllables:
michael fassbender, superintender

6 syllables:
grammatical gender, non-binary gender

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

3 syllables:
nerve center, storm center, concenter, extempore, remember, november, presenter, september, pro tempore, distemper, december, accentor, centare, nonmember, precentor, dismember, attemper, dissenter, inventor, bad temper, board member, burn center, church member, clan member, club member, crew member, ex tempore, good temper, gros ventre, ill temper, lamenter, nerve centre, off-center, one-member, quick temper, re-enter, short temper, staff member, storm centre, the centaur

4 syllables:
charter member, shopping center, city center, civic center, control center, council member, day care center, genus stentor, left-of-center, mid-december, mid-november, mid-september, placement center, research center, student center, union member, urban center

5 syllables:
canine distemper, committee member, conference center, equine distemper, faculty member, financial center, medical center, structural member

6 syllables:
community center, auditory center, entertainment center, municipal center

7 syllables:
respiratory center