Guam's rhymes with:
qualms, balms, bomb's, bombs, brahms, calms, cdroms, com's, coms, dahms, hommes, homs, islam's, mccombs, mom's, moms, palms, pogroms, proms, qualms, rom's, roms, suddam's, thoms, tom's, toms, vietnam's, yom's
Guam's sounds like:
gaines, gaining, gainous, gains, gainsay, gainsco, gamache, gamage, gamco, game's, gamecock, gamecocks, games, games', gameshow, gameshows, gamez, gaming, gaming's, gammage, gammons, gamons, gananoque, ganas, ganci, ganes, gang, gang's, gange, ganges, gangi, gangs, ganic, ganis, ganong, gans, ganske, ganus, ganz, gascons, gaskins, gassing, gauging, gaunce, gawking, gayness, gazans, gazing, gazonsky, gazonsky's, geeing, gem's, gemco, gemex, gems, genco, gene's, genego, genes, genesco, genesee, genesis, genex, genex's, geng, genghis, genis, genisco, genius, geniuses, genk, genoese, gens, gensia, genske, genuineness, genung, genus, genz, ghana's, ghanaians, giang, gigging, gignac, gignoux, gimenez, gimmick, gimmicks, gimmicky, gina's, ginas, gines, ging, gingko, ginning, ginocchio, ginsu, ginsu's, ginza, gizmos, gnagey, gnash, gnawing, gnaws, gnc, gneiss, gnocchi, gnomes, gnomic, gnomonic, goans, goens, goggans, goggins, goines, going, goings, goins, gomes, gomez, gonce, gong, gongs, gonzo, gonzo's, googins, goons, goossens, gouging, gowans, gowens, gowing, gowins, gowns, goynes, guanaco, guangjo, guangjo's, guangzhou, guessing, guggenheim's, guineas, guiness, guinness, guinness's, gums, gumshoe, gumucio, gumz, gun's, gung, gunman's, gunn's, gunning, gunnysack, gunnysacks, guns, gushing, gusinsky, guynes, gwinn's, gym's, gymnasia, gyms, gynex