Rasp rhymes with:
grasp, agasp, asp, clasp, gasp, grasp, agasp, asp, chrisp, clasp, crisp, cusp, espe, gasp, grasp, handclasp, lisp, wasp, wesp, wisp
Rasp sounds like:
racioppi, rajiv, rakoff, raspy, recap, receive, recessive, recipe, recoup, rehkopf, reoccupy, reshape, rigby, riggsbee, rigsbee, rigsby, rocap, rockoff, rogachev, rogoff, rosoff, rugby, rykoff, rysavy, ryzhkov