Oarlock rhymes with:
warloeck, carlock, warloeck, ashlock, blacklock, carlock, deadlock, erlach, flintlock, gridlock, hammerlock, havelock, hemlock, kalok, landlock, madlock, matchlock, matlock, niblock, overlock, padlock, portlock, roadblock, sealock, shedlock, sherlock, shylock, spurlock, subhlok, tatlock, warloeck, wedlock, wheelock, whitelock, whitlock, woodlock
Oarlock sounds like:
orioles, orioles', orlich, orlick, orloski, orloski's, orlosky, orlosky's, orlowski, orlowski's, orwell's