Kast rhymes with:
cast, caste, miscast, precast, recast, aghast, amassed, assed, ast, bast, blast, cast, caste, classed, fast, gassed, gast, glassed, grassed, harassed, hast, lambaste, last, lymphoblast, massed, mast, miscast, nast, passed, past, precast, rast, recast, surpassed, unsurpassed, vast
Kast sounds like:
kade, kadow, kady, kakadu, kat, kate, katey, kath, katha, kathi, kathie, kathy, kati, katia, katie, kato, katt, katy, katya, katydid, kauth, kawate, kazda, keady, keast, keath, keddy, kedo, keedy, keeth, keith, keitt, kekst, keta, keto, ketou, kett, ketti, keyed, key_west, khad, khat, khost, kicked, kid, kida, kidd, kidde, kidded, kiddie, kiddy, kido, kidwa, kiewit, kight, kikatte, kikta, kikwit, kissed, kist, kit, kita, kite, kitt, kitty, kiyohida, kodo, kogut, kohout, kohut, koido, koito, kokate, kossuth, kost, kosta, kot, kote, koth, kothe, koto, kott, kouyate, kowtow, kuchta, kut, kuwait, kuwaiti, kyd, kyodo, kyokuto, kyoto, kyte