Elyn rhymes with:
beilin, belin, bellin, crellin, ellyn, fellin, helin, kaelin, lewellyn, llewellyn, medellin, melin, mellin, schelin, selin, sellin, stehlin, tellin', thelin, yellin, yellin'
Elyn sounds like:
eelam, ehlen, ehlmann, eilan, eileen, el-nino, elaina, elaine, elam, elamin, elan, elane, elayne, eleen, elena, elene, eline, ellamay, ellan, ellemann, ellen, ellena, ellene, elliman, ellman, ellmann, ellyn, elm, elma, elman, elmo, elna, elwin