Newtonchik rhymes with:
carpencic, franchik, stanczyk, urbanczyk, abramczyk, adamcik, adamczyk, apparatchik, bacik, bednarczyk, blaszczyk, carpencic, dabchick, franchik, graczyk, jurczyk, kaczmarczyk, kmiecik, kolojejchick, kovacik, kovalcik, kowalczyk, krawczyk, krolczyk, macik, mikolajczyk, morovcic, niemczyk, piascik, rybarczyk, sobczyk, stanczyk, szewczyk, teltschik, tokarczyk, tomczyk, urbanczyk, walczyk, wlodarczyk, wojcik, wojick
Newtonchik sounds like:
nading, nathan's, nation's, nations, nations', natomas, neatness, needham's, needing, neotenic, netanyahu's, netting, newton's, nodding, nominating, nominations, notations, nothing, nothing's, nothings, noting, notions, nutmeg, nutting