Hemlock rhymes with:
ashlock, blacklock, carlock, deadlock, erlach, flintlock, gridlock, hammerlock, havelock, kalok, landlock, madlock, matchlock, matlock, niblock, oarlock, overlock, padlock, portlock, roadblock, sealock, shedlock, sherlock, shylock, spurlock, subhlok, tatlock, warloeck, wedlock, wheelock, whitelock, whitlock, woodlock
Hemlock sounds like:
hamley's, hamlisch, hamlisch's, hanley's, heimlich, henley's, henleys, himalayas, homeless, homelike, homilies, homolka, homologous, honeywell's, honolulu's, hymnals, hymnology