2 syllables:
seeder, detour, bleeder, chequer, beeper, cedar, meager, meagre, reaper, keeper, eager, breeder, beaker, feeder, squeaker, streaker, peeper, creeper, seeker, weeper, sleeper, speeder, leader, sneaker, t-bar, speaker, reader, wheatear, eagre, sweeper

3 syllables:
grim reaper, lip reader, beleaguer, loss leader, white cedar, red cedar, lay reader, besieger, floor leader, mind reader, cellular, creditor, delaware, ecuador, editor, elater, eleanor, endospore, engler, escobar, genitor, headhunter, hellebore, jennifer, leicestershire, leveler, leveller, meddler, medicare, megaspore, messenger, metaphor, mevacor, nebular, pedaler, pedaller, pensioner, predator, presenter, questioner, reckoner, regular, reservoir, reveler, reveller, second-year, seconder, secular, seminar, senator, sepulture, settler, sevener, specular, stepmother, strengthener, temperature, wrestler

4 syllables:
carpet sweeper, incense cedar, spanish cedar, atlas cedar, acellular, art editor, asthenosphere, competitor, concessioner, confectioner, congenator, corregidor, cross-questioner, dead metaphor, developer, embezzler, executor, expenditure, high temperature, investiture, irregular, low temperature, molecular, noncellular, room temperature, sports editor, state senator, subeditor, text editor, vulpecular

5 syllables:
eastern red cedar, western red cedar, japanese cedar, port orford cedar, body temperature, business editor, city editor, copy editor, curie temperature, divine messenger, drunken reveler, frozen metaphor, linkage editor

6 syllables:
majority leader, minority leader, absolute temperature, managing editor, newspaper editor

7 syllables:
capital expenditure, capital of delaware, capital of ecuador