Wrinkle rhymes with:
sprinkel, sprinkle, trinkle, dinkel, finckle, finkel, finkle, hinkel, hinkle, kinkel, kinkle, minkel, schinkel, shinkle, sprinkel, sprinkle, tinkle, trinkle, twinkle, vanwinkle, winkel, winkle
Wrinkle sounds like:
warningly, wrangell, wrangle, wrongly