Kosin rhymes with:
aflatoxin, alfonsin, anacin, angiotensin, ansin, bassin, carrisyn, cassin, cecin, centoxin, chacin, chasin, cossin, crossin, dancin', debrecen, dioxin, dulcine, ethelson, galitsin, haberson, hiaasen, highosin, huchison, kassin, katzin, kressin, layperson, lesesne, lessin, liesin, locsin, masin, moccasin, naprosyn, nissin, persyn, pessin, polcyn, poussin, richesin, robitussin, rossin, roxanne, rusin, russin, sarasin, shavelson, sierracin, tassin, ursin, vancomycin, vixen, yasin, yassin
Kosin sounds like:
kachigian, kagami, kagan, kageyama, kagin, kahan, kahane, kahn, kahuna, kaim, kain, kaine, kajima, kam, kama, kaman, kamehameha, kamei, kamen, kamin, kamm, kamman, kan, kana, kanai, kanan, kanawa, kanawha, kane, kaney, kania, kann, kannan, kanne, kanno, kano, kanon, kaseman, kashiyama, kassan, kassem, kassen, kassin, kasson, kasun, kawakami, kawano, kawashima, kawasmi, kayne, kazan, kazen, kazin, keagan, kean, keane, keaney, keanu, keegan, keehan, keehn, keen, keena, keenan, keene, keeney, keenum, keeny, kehm, kehn, kehne, keim, kem, kemeny, ken, kenai, kenan, kenn, kenna, kennan, kenney, kennon, kenny, keno, kenway, kenya, kenyan, kenyen, kenyon, keohane, keown, keshishian, kessen, keune, kewaunee, khamenei, khan, khanna, khem, khomeini, kiam, kiehn, kiehne, kienan, kiene, kihn, kikkoman, kim, kime, kimm, kimmey, kimono, kin, kinion, kinman, kinmen, kinn, kinnaman, kinnamon, kinnan, kinne, kinney, kinnie, kinnunen, kinny, kinyon, kisan, kismayu, kissam, kissane, kissimmee, kiwani, knee, knew, knin, know, known, knoy, kochan, kochman, kocian, koehn, koehne, koehnen, koen, koeneman, koenen, kogan, kohan, kohen, kohn, kohne, kohnen, kojima, kokan, koken, kokomo, koman, komi, komine, kon, kona, konen, kono, kooiman, kooken, koon, koone, kooyman, kosan, koskinen, kosman, kossman, kosygin, koyama, kozma, kuan, kucan, kuchma, kuehn, kuehne, kuenheim, kuennen, kuhn, kuhne, kuiken, kume, kumho, kumm, kun, kuna, kuney, kunin, kunio, kussman, kuwam, kuzma, kuznia, kwan, kwasny, kwiecien, kwon, kym, kyna, kyne