Newlyn rhymes with:
newlin, bulin, doolin, dulin, hulin, humulin, juhlin, julin, newlin, thulin, ulin
Newlyn sounds like:
nealon, neilan, nelina, nelliana, nellwyn, nelon, newlan, newlin, newlon, newlun, neylon, nilan, nolan, nolana, nolen, nolin, nollan, nowlan, nowlin, nyholm, nylen, nylon