Celts rhymes with:
seltz, belt's, belts, beltz, feltes, felts, feltz, geltz, keltz, melts, meltz, pelts, peltz, schmeltz, seltz, smeltz, speltz, steltz, weltz
Celts sounds like:
caltex, calutzi, caseloads, casualties, causalities, celtic, celtics, celtics', chalets, child's, childhoods, childish, childs, chocolates, ciliates, claddagh, claudius, cleats, clites, clothes, cloths, clots, clouds, clowdus, clutch, clutches, clutts, colds, colledge, collides, colt's, coltec, colts, coolidge, coolidge's, coultas, cult's, cultic, cults, cul_de_sac, cyclades