Nissin 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, kosin, kressin, layperson, lesesne, lessin, liesin, locsin, masin, moccasin, naprosyn, persyn, pessin, polcyn, poussin, richesin, robitussin, rossin, roxanne, rusin, russin, sarasin, shavelson, sierracin, tassin, ursin, vancomycin, vixen, yasin, yassin
Nissin sounds like:
nachman, nachmany, nagano, nagin, nakajima, nakama, nakano, nakashima, nakasone, nakayama, naquin, nashnamie, nason, nauseam, nazism, neeson, neisen, nesheim, nessen, neukam, neukom, new-mexican, newcom, newcome, newingham, newsham, newsman, newsmen, newsom, newsome, newson, newsum, newswoman, newswomen, nexgen, ngema, nguyen, niacin, niccum, nicen, nickeson, nickname, nickson, nickum, nicoson, niesen, nikon, nishimo, nishiyama, niskanen, nissan, nissen, nisshin, nissim, nixon, nizhny, noxema, noxon, nugan, nujoma, nukem, nusen, nuzum, nycum