Grenell rhymes with:
benel, departmental, fehnel, fennel, fennell, haenel, henle, kennel, kennell, pennel, pennell, quennel, tennell, when'll
Grenell sounds like:
garnell, ghormley, gormley, gormly, gramley, granillo, granola, granule, greenhill, greenlaw, greenlee, greenley, greenly, greenmail, greenwell, grenouille, grimley, grimly, grinnell