I've taken a list of English words, and examined each of them to see what they sound like (using the PHP metaphone function). This page lists the most common metaphone codes, along with their words. You can also search for a word of your own, and see which words sound similar - and which ones rhyme, and which ones alliterate.
gaudies gadis gudes gauds guides gaddis gads goodies cuddies caddies gaieties cadis goads guids kadis qadis cades gaits gates quiets caddis cuties goatees goddess gateaus catties kiddies quietus cutties caddice gats gods cuds guts cads caids quits kudos gowds quads kites codes gutsy cates quods gouts goats kudus qaids cutis cutes goods quids quoits cutesy cuteys coatis quotes caducei coatees cooties cutesie kiddoes kitties
gaudies nudies dies buddies eddies middies hoodies nudes muddies fuddies adieus leudes laddies kiddies gudes neddies paddies boodies roadies soddies suites dauties diets doodies dudes teddies toadies todies wadies woodies bodies biddies foodies goodies audios howdies caddies giddies ludes beauties cuties bawdies ladies quiets guides cuddies beedies noddies baddies readies rowdies suedes daddies didies dites dowdies duties tidies toddies waddies widdies shoddies dis