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, commender, comprender, contender, contendere, cross-gender, dead-ender, defender, 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, public defender, superintender

6 syllables:
grammatical gender, land rover defender, non-binary gender

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

3 syllables:
pistoleer, singular, limiter, listener, spinnaker, disjuncture, chinaware, ligature, wriggler, titular, lincolnshire, kitchenware, missioner, dishonour, vinegar, signaller, tricolour, cinnabar, minister, visitor, lithosphere, figeater, chiffonier, millibar, stiffener, swindler, sycamore, bicolor, similar, insofar, christopher, slipcover, triphammer, insular, fiddler, stickler, fistular, tricolor, picador, integer, simpler, thickener, diffuser, chiseller, signaler, sinoper, signature, minotaur, chiseler, cislunar, insecure, inciter, tickler, prisoner, pinafore, singapore, scimitar, cylinder, windjammer, littler, quizmaster, attemper, bad temper, board member, burn center, church member, clan member, club member, concenter, crew member, december, dismember, dissenter, distemper, extempore, ex tempore, good temper, gros ventre, ill temper, inventor, lamenter, nerve center, nerve centre, nonmember, november, off-center, one-member, presenter, pro tempore, quick temper, re-enter, remember, september, short temper, staff member, storm center, storm centre, the centaur

4 syllables:
articular, navicular, solicitor, petitioner, unipolar, positioner, decimeter, inhibitor, conditioner, altimeter, lenticular, liquidambar, practitioner, estimator, exhibitor, distributer, commissionaire, key signature, contributor, wine vinegar, inquisitor, binuclear, parishioner, calligrapher, dissimilar, particular, perimeter, acicular, reticular, commissioner, ossicular, time signature, cuticular, distributor, funicular, prime minister, vermicular, orbicular, administer, charter member, 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, shopping center, student center, union member, urban center

5 syllables:
countersignature, foreign minister, curvilinear, polarimeter, high commissioner, master cylinder, cider vinegar, perpendicular, calorimeter, exhibitioner, canine distemper, committee member, conference center, equine distemper, faculty member, financial center, medical center, structural member

6 syllables:
cabinet minister, extracurricular, auditory center, community center, entertainment center, municipal center

7 syllables:
atrioventricular, political prisoner, general practitioner, medical practitioner, respiratory center