Childish rhymes with:
bowdish, bradish, brandish, cavendish, faddish, fiendish, gladish, horseradish, kadish, kurdish, outlandish, prudish, radish, reddish, redish, standish, swedish, windisch, windish, yiddish
Childish sounds like:
caltex, calutzi, caseloads, casualties, causalities, celtic, celtics, celtics', celts, chalets, child's, childhoods, 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