Korth rhymes with:
borth, dansforth, forth, fourth, goforth, henceforth, north, orth, porth, thenceforth, warth
Korth sounds like:
karat, karate, karet, kerth, kerwood, keyword, keyworth, kirt, kiryat, korda, koret, kort, korte, koshered, krat, kratt, kraut, krauth, kredit, kriete, krout, kuhrt, kurd, kuroda, kurt, kurth