Frump rhymes with:
crump, grump, rump, trump, bump, chump, clump, crump, dump, grump, gump, gumpp, hump, jump, klump, klumpp, kump, lump, lumpp, plump, pump, rump, slump, stump, stumpe, stumpp, sump, thump, trump
Frump sounds like:
farmboy, formbey, formby, fornoff, frumpy