2 syllables:
broader, brodeur, cawdor, codder, dodder, flodder, fodder, hodder, hoddur, hodur, lauder, modder, nodder, odder, pader, plodder, podder, poder, prodder, sauder, sawder, strawder, todor, wadder

3 syllables:
applauder, bajadere, defrauder, hot-rodder, ipodder, marauder, merauder, soft-solder

4 syllables:
cannon fodder

6 syllables:
middle-of-the-roader

2 syllables:
proper, choker, topper, shocker, spotter, swatter, mater, plotter, otter, stocker, totter, cropper, laugher, cotter, cocker, logger, fakir, dropper, cobber, blotter, ocher, slobber, potter, copper, hotter, ottar, whopper, locker, robber, rocker, hopper, stopper, blocker, squatter, jotter, slogger, docker, soccer, clobber, lager, knocker, jobber, jogger, bobber, shopper, rotter, trotter, mocker, chopper, cottar, laager

3 syllables:
macabre, punk rocker, saltwater, improper, sea otter, camp robber, doorstopper, eye dropper, flyswatter, footslogger, minotaur, plant hopper, rock hopper, sand hopper, sea robber, sinoper, stockjobber, valve rocker

4 syllables:
blister copper, dura mater, magna mater, beta blocker, alma mater, imprimatur, pia mater, annunciator, belly whopper, boston rocker, graverobber, jewels-of-opar, pettifogger, platform rocker, police blotter, river otter, storage locker

5 syllables:
calcium blocker, eurasian otter, histamine blocker

6 syllables:
davy jones's locker, american copper