Cavins rhymes with:
havins, ravin's, savin's, arvin's, bevins, bivins, blevins, devins, evins, galvin's, givins, havins, hoogovens, ivins, kelvin's, kevin's, kevins, leavins, levin's, levins, lovins, mervyn's, nevin's, nevins, ravin's, savin's, spalvins
Cavins sounds like:
c-span's, cabanas, cabaniss, cabiness, cabins, capobianco, capping, cavanagh, cavanaugh, cavaness, cavenaugh, caviness, caving, cavness, chaffins, chafing, chapman's, chapnick, cheapening, cheapens, cheapness, cheekbones, chipping, chopping, chovanec, cobain's, cobbins, coffing, coffins, cohesiveness, coping, coppens, copping, coppins, copying, couponing, coupons, cowabunga, cubans