2 syllables:
-headed, bedded, breaded, dreaded, headed, leaded, redded, shedded, shredded, sledded, steaded, tedded, threaded, treaded, wedded

3 syllables:
airheaded, bald-headed, baldheaded, bareheaded, beheaded, besteaded, big-headed, bigheaded, blockheaded, bluff-headed, bone-headed, boneheaded, broad-headed, bull-headed, bullheaded, burr-headed, clear-headed, clearheaded, cool-headed, deadheaded, dog-headed, eggheaded, embedded, fatheaded, flat-headed, gray-headed, grey-headed, gross-headed, hard-headed, hardheaded, homesteaded, hot-headed, hotheaded, imbedded, impleaded, jib-headed, large-headed, levelheaded, light-headed, lightheaded, long-headed, longheaded, lunkheaded, mad-headed, mop-headed, nail-headed, nonleaded, nott-headed, pig-headed, pigheaded, pinheaded, red-headed, redheaded, retreaded, roundheaded, rug-headed, sapheaded, sheep-headed, shock-headed, shockheaded, short-headed, soft-headed, softheaded, spearheaded, surbedded, swelled-headed, swellheaded, thick-headed, thickheaded, thorn-headed, tow-headed, towheaded, twin-bedded, unbedded, unheaded, unleaded, unpleaded, unthreaded, unwedded, weak-headed, white-headed, wrong-headed, wrongheaded

4 syllables:
addle-headed, arrow-headed, arrowheaded, beetle-headed, buckler-headed, buffle-headed, bullet-headed, chowderheaded, chuckleheaded, double-bedded, double-headed, double-threaded, doublethreaded, dunder-headed, dunderheaded, empty-headed, feather-headed, featherbedded, featherheaded, giddy-headed, heavy-headed, hoary-headed, hydra-headed, idle-headed, interbedded, janus-headed, knuckleheaded, level-headed, loggerheaded, muddle-headed, muddleheaded, muddy-headed, multiheaded, multithreaded, mushroom-headed, muttonheaded, open-headed, pointy-headed, pudding-headed, puddingheaded, puzzle-headed, puzzleheaded, rattle-headed, single-bedded, sleepyheaded, sober-headed, swollen-headed, triple-headed, wagon-headed, wooden-headed, woodenheaded, woolly-headed