Klapper rhymes with:
clapper, clapper, flapper, capper, clapper, dapper, flapper, kapper, kapur, knapper, napper, rapper, sapper, snapper, tapper, trapper, wrapper
Klapper sounds like:
kalberer, kalvar, kelber, kilbury, killebrew, klaiber, klauber, klaver, kleber, kleiber, klepfer, klepper, klever, kloepfer, kloepper, kloiber, klopfer, kluever, kluver, kolber