Comfrey rhymes with:
humfrey, humphrey, humphry, mumphrey, pumphrey, umphrey, humfrey, humphrey, humphry, mumphrey, pumphrey, umphrey
Comfrey sounds like:
camber, cambior, cambra, cambre, cambria, camper, campfire, campofrio, canberra, canevari, canfor, chamber, cinnabar, comber, compaore, compare, compher, compuware, confair, confer, conferee, confrere, conifer, conover, convair, convery, conveyer, conveyor, cucumber, cumber