Erlach rhymes with:
sherlock, spurlock, ashlock, blacklock, carlock, deadlock, flintlock, gridlock, hammerlock, havelock, hemlock, kalok, landlock, madlock, matchlock, matlock, niblock, oarlock, overlock, padlock, portlock, roadblock, sealock, shedlock, sherlock, shylock, spurlock, subhlok, tatlock, warloeck, wedlock, wheelock, whitelock, whitlock, woodlock
Erlach sounds like:
earl's, earles, earless, earls, ehrlich, ehrlich's, erlich, erlick, erol's, errol's