Words That Rhyme With "Flatheads" :
1 syllable:
beds, breads, dreads, ed's, Edds, feds, Fred's, heads, reds, sheds, shreds, sleds, spreads, ted's, threads, treads
2 syllables:
cathead, fathead, imbeds, purebreds, redheads, retreads, saphead, whitehead's