Josten rhymes with:
johson, aasen, bossen, chiasson, claassen, closson, crossan, crosson, fossen, glosson, johson, klaassen, maassen, osten, rosson, rosten, vanfossan, vanfossen, wason
Josten sounds like:
jadwin, jaudon, jetton, jitney, jodoin, joosten, justen, justin, justina, justine, justiniano, justino, justman