2 syllables:
bedder, beder, cheddar, chedder, cheder, deader, dreader, edder, eder, fedder, feder, fedor, fed her, geder, gedor, header, heder, jeder, lead her, leder, led her, lehder, maeder, medar, nedder, pedder, pedir, raeder, read her, redar, redder, reder, rehder, said her, schraeder, shedder, shredder, sledder, spreader, spread her, tedder, threader, treader, vedder, wedder, weder, wed her, wheder, zeder

3 syllables:
anreder, bloodshedder, bobsledder, confeder, corredor, dispreader, dogsledder, e-reader, enzedder, ereader, exceder, fbreader, file-leader, goldfeder, heredar, lip-reader, map-reader, mind-reader, nonreader, prijedor, red-header, redheader, roadheader, sacksteder, sam seder, sight-reader, subreader, thought-reader, vendedor

4 syllables:
alrededor, carlos lehder, desenredar, double-header, doubleheader, encendedor, follow-the-leader, ryan tedder, super-spreader, triple-header, tripleheader

2 syllables:
detour, praetor, beeper, chequer, metre, meager, tweeter, meagre, reaper, keeper, eager, beaker, squeaker, peeper, meter, streaker, pretor, creeper, teeter, seeker, fetor, weeper, sleeper, beater, peter, liter, eater, sneaker, t-bar, wheatear, speaker, heater, cheater, eagre, litre, sweeper, becker, beggar, better, bettor, checker, debtor, decker, eggar, egger, fetter, jaeger, leper, letter, neckar, pepper, setter, sweater, webber, weber, wrecker

3 syllables:
grim reaper, demeter, repeater, light meter, beleaguer, blue peter, space heater, gas meter, besieger, bee eater, abetter, abettor, air letter, barretter, begetter, bell pepper, bird pepper, black letter, black pepper, block letter, chain letter, cone pepper, crank letter, dead letter, form letter, globe pepper, go-getter, green pepper, had better, hot pepper, housewrecker, long pepper, love letter, night letter, painewebber, red pepper, red setter, rivetter, short letter, small letter, sweet pepper, trend-setter, true pepper, wage setter, wall pepper, white pepper

4 syllables:
postage meter, tetrameter, carpet sweeper, lotus eater, water heater, ohmmeter, kilometre, water meter, airmail letter, betel pepper, business letter, cayenne pepper, cherry pepper, chili pepper, common pepper, english setter, gordon setter, guinea pepper, irish setter, java pepper, market letter, open letter, scarlet letter, spelling checker, syntax checker, to the letter

5 syllables:
craniometer, exposure meter, refractometer, electric heater, investment letter, personal letter, tabasco pepper, varsity letter

6 syllables:
encyclical letter, madagascar pepper, parasitic jaeger, polyphonic letter