Gravois rhymes with:
lavoie, lavoie, artois, bois, bourgeois, brisbois, chargois, cheng-hua, comtois, contois, francois, harnois, hwa, joie, laframboise, langlois, lavoie, marois, moi, qua, salois, sirois, suhua, trois, valois, wa, waah, wah
Gravois sounds like:
garbacz, garbage, garp's, garps, gearbox, gearboxes, geographic, geographic's, gerbasi, gerbig, gervais, gervase, gervasi, gervasio, giraffes, graboski, grabowski, grabs, grabski, graffius, grapage, grapes, graphic, graphics, graphics', graphs, graves, graves's, gravies, grbavica, greaves, grieves, grievous, griffey's, griffis, gripes, grips, grivas, grooves, groppy's, group's, groupies, groups, groups', grove's, groves, grubaugh, grubbs, grubs, gurevich