Idaline rhymes with:
doralynne, ernaline, michaeline, angeline, bauerlein, beyerlein, bierlein, boline, bowline, doralynne, earline, edeline, eline, emelyne, erline, ernaline, exline, geosyncline, gosline, hadline, hertlein, juline, lurline, meline, merline, michaeline, movieline, oehrlein, pearline, sheline, stenglein, timeline
Idaline sounds like:
idalina, idleman, italian, italiana, italiano