Thacker rhymes with:
thacher, thakkar, acker, aker, akre, attacker, backer, bakker, blacker, bracher, bracker, cracker, hacker, lacher, lacquer, macher, makar, packer, racker, sacher, schacher, slacker, stacker, tacker, thacher, thakkar, tracker, vanacker, wacker, whacker, zacher
Thacker sounds like:
tacker, tager, takara, takecare, taker, taser, tashiro, tasker, taucher, tauscher, taxer, teacher, teaser, teicher, teixeira, tejera, tesar, tesoriero, tesoro, tessier, teuscher, texeira, thacher, thackeray, thakkar, thaser, thatcher, thicker, thuggery, ticer, ticker, ticor, tigar, tiger, tigera, tischer, tisher, titzer, tokar, tooker, toothaker, toshiharu, tougher, tozer, tozier, tsar, tucker, tweezer, tygar, tyger