Chaplain rhymes with:
chaplan, chaplin, caplan, chaplan, chaplin, kaplain, kaplan, caplan, chaplan, chaplin, coplan, discipline, kaplain, kaplan, koplan, pomplun
Chaplain sounds like:
cableone, caplan, caplin, cephalon, chaplan, chaplin, choplin, cipollone, civilian, cofflin, copelan, copelin, coplan, coplen, coplin, coppolino, couvillion, couvillon