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.
caddis caddies cadis gaddis cads cuddies caddice caids qadis cades gadis kadis coatis kiddies caducei catties gaudies cats cuds cods gads gaits cates cutis qaids coats codas coeds gauds quads codes goads cuties kiddos cottas coitus goddess goodies keddahs kiddoes codeias cooties cutties coatees gaieties
caddis gaddis dis adds tidies dies medias giddies muddies middies diss audios caddies iodise kiddos laddies kadis gaudies howdies duds adios cedis odds woodies wadis readies waddies toddies noddies radius didies padis doodies redias foodies rowdies soddies daddies hoodies dais bawdies wadies paddies nudies readds radios toadies sadis medius neddies dads sudds dowdies dits bodies ladies rudds midis roadies gadis cuddies boodies buddies eddies fuddies baddies cadis redds biddies widdies goodies bidis kiddies qadis beedies teddies todies shoddies
caddie caddy cad cade cadi caid cuddie cuddy gaddi scad