Fink's rhymes with:
finks, sphinx, blinks, brink's, brinks, chinks, drinks, finks, inc.'s, inks, jinks, jinx, jynx, kinks, lincks, link's, links, lynx, mincks, minks, pinks, rinks, shrinks, sinks, skinks, sphinx, spinks, stinks, think's, thinks, winks
Fink'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, fein's, 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, 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