Fein's rhymes with:
affines, defines, fines, redefines, refines, affines, aligns, alines, assigns, bines, brines, bynes, clines, combines, declines, defines, designs, dines, dynes, fines, gines, glines, guynes, heines, heins, heinz, heinze, hines, hynes, inclines, jines, karlheinz, kines, klein's, line's, lines, lines', lynes, mine's, mines, mines', neyens, nine's, nines, opines, pines, pynes, reclines, redefines, refines, resigns, rhines, rhynes, rines, rynes, shines, shrines, sign's, signs, sines, spines, stein's, steines, stines, tines, tynes, undermines, vines, whines, wine's, wines, wynes, zines
Fein's sounds like:
famines, famous, fan's, fancies, fancy, fanech, fanech's, fang, fangs, fanguy, fanning, fanning's, fans, fans', fanuc, fanucchi, faunce, fawning, fayanjuu, femsa, fence, fences, fenech, feng, fennessey, fennessy, fenske, fenwick, fiance, fiancee, fibonacci, fiennes, finance, finances, financo, finanz, finanza, finazzo, finch, finches, finck, fincke, fines, finesse, finex, finian's, finicky, fining, finish, finishes, fink, fink's, finke, finks, finn's, finnick, finning, finnish, finns, finocchio, fins, finunc, foaming, foams, fomon's, fones, fong, fons, fonseca, fonz, fonzie, foong, fumes, fuming, funches, funchess, funck, funes, fung, fung's, fungi, fungus, funk, funke, funks, funky, funniness, funs