Joon rhymes with:
june, afternoon, antoon, attune, baboon, balloon, banoun, barloon, bassoon, bethune, boon, boone, broun, bruen, brune, bruun, buffoon, cahoon, calhoon, calhoun, cardoon, cartoon, choon, clune, cocoon, cohoon, contrabassoon, coon, coone, corroon, croon, dekroon, disharoon, dune, festoon, galloon, goon, gruen, hamdoon, harpoon, harroun, heun, hewn, hoon, huntoon, immune, impugn, inopportune, june, karoun, karun, keune, koon, koone, kroon, kuehn, kuehne, kuhn, laffoon, lagoon, lampoon, liqun, loon, magoon, majnoon, maroon, mattoon, mcclune, mccuen, mccune, mckune, mhoon, monsoon, moon, moone, muldoon, noon, noone, opportune, picayune, platoon, pontoon, poon, prune, raccoon, rangoon, roone, rune, saloon, sassoon, schoon, shoen, soon, spoon, strewn, suen, swoon, terhune, thune, toon, toone, troon, tune, tycoon, typhoon, verboon, viromune, wotherspoon, xiaoyun, yoon
Joon sounds like:
jaan, jachim, jackman, jackson, jacksonian, jacome, jacquin, jahn, jaime, jaimie, jain, jam, jama, jami, jamie, jammu, jamu, jan, jan., jana, jane, janeane, janeway, janey, jani, janie, janii, janina, janine, jann, janna, janney, janow, jasmin, jasmina, jasmine, jason, jayme, jayne, jayson, jazmin, jazzman, jazzmen, jean, jeana, jeane, jeaney, jeanie, jeanine, jeanne, jeannie, jem, jemie, jemima, jemmie, jen, jena, jenin, jenn, jenna, jenne, jennewein, jenney, jenni, jennie, jenny, jessamine, jessamyn, jessen, jesson, jian, jiawen, jim, jima, jimena, jimi, jimmie, jimmy, jin, jna, joachim, joakima, joan, joann, joanna, joanne, joanou, joaquim, joaquin, jochem, jochen, jochim, jochum, johan, johann, johanna, john, johnie, johnnie, johnny, johny, johson, join, jokinen, jon, jonah, jone, joni, jonn, joyoni, juan, juana, juenemann, jun, june, juneau, junia, junine, juno, jusino, juwan, jwan, jyishane