Cramp rhymes with:
kramp, krampe, kramp, krampe, ramp, tramp, trampe, amp, camp, champ, clamp, damp, decamp, encamp, gamp, hamp, hampe, kamp, kampe, kramp, krampe, lamp, lampe, lampp, ramp, revamp, samp, schamp, shamp, stamp, tamp, tramp, trampe, unclamp, vamp, vancamp
Cramp sounds like:
carnauba, chernoff, crimp, crombie, crumb, crumby, crump