Groan rhymes with:
groen, grone, grown, homegrown, outgrown, overgrown, cadrone, cirone, crone, dethrone, drone, groen, grone, grown, homegrown, krohn, latrone, mccrone, montrone, outgrown, overgrown, overthrown, pirone, prone, rhone, roan, roane, roen, rone, shirone, throne, thrown, tirone, trone, tyrone
Groan sounds like:
gagarin, garin, garman, garmany, garmon, garn, garneau, garney, garno, garon, garone, garrahan, garramone, garren, garron, garwin, gaughran, gawron, gearan, gearin, gehrman, gehrmann, geran, geranium, geremia, geren, gerena, germ, germain, germaine, german, germane, germani, germania, germann, germano, germany, germe, gerome, geron, geronimo, gerwin, geserum, geurin, gherman, gierman, giren, giron, goran, goren, gorham, gorin, gorman, gorney, gorny, gorum, goshorn, graeme, graham, grahn, grain, grainy, gram, grama, gramm, grammy, gran, grana, granahan, graney, grannan, granny, grano, granum, grauman, graumann, greaney, green, greenan, greenaway, greene, greenham, greenhaw, greenhoe, greenman, greeno, greenway, greim, greiman, grein, gren, grennan, grenon, grieme, grim, grima, grime, grimm, grimme, grimy, grin, grine, groen, groene, grohman, groin, grom, groma, groman, gronau, grone, groom, groome, grown, gruen, gruhn, grum, grumman, grun, grunion, grunow, guarani, guarin, guarini, guarino, guerin, guerino, guerrini, gurian, gurion, gurnee, gurney