Duchamp's rhymes with:
swamps, accountemps, blimps, bumps, camp's, camps, camps', champs, chimps, clamps, clumps, contretemps, cramps, crimps, damps, delchamps, demps, deschamps, dumps, glimpse, gump's, jumps, kamp's, kamps, kemp's, lamps, limps, lumps, mumps, pimps, printemps, pumps, ramps, revamps, slumps, stamps, stumps, swamps, tamps, temps, thumps, trump's, trumps, unclamps, wimps
Duchamp's sounds like:
daughenbaugh, decompose, decomposes, deschamps, djukanovic