Pearline rhymes with:
earline, erline, lurline, merline, angeline, bauerlein, beyerlein, bierlein, boline, bowline, doralynne, earline, edeline, eline, emelyne, erline, ernaline, exline, geosyncline, gosline, hadline, hertlein, idaline, juline, lurline, meline, merline, michaeline, movieline, oehrlein, sheline, stenglein, timeline
Pearline sounds like:
parlin, pearlman, perelman, perlin, perlman, prelim, prillaman, prolinea, purloin