Ardor rhymes with:
carder, gaarder, harder, larder, marder, yarder, boarder, border, camcorder, carder, corder, crossborder, dedeurwaerder, disorder, gaarder, gorder, harder, herder, larder, marder, norder, order, recorder, reorder, snowboarder, vanorder, warder, weirder, yarder
Ardor sounds like:
ardra, ardrey, arter, artery, arthur, artra, artur, arturo