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.
cuddies caddies cuties caddis cuds caddice kiddies cutties gaudies cades codes cutes gudes cadis cutis cutesy quiets guides gaddis cuteys kiddoes cooties catties quietus goodies goddess cutesie codeias cuts cads cods kites gadis kudus cates guids gauds codas caids cotes qadis kudos quits quids kadis coeds quods quads quoits coatis kiddos coitus quotes caducei coatees keddahs kitties
biddies teddies middies cuddies giddies caddies fuddies toddies daddies noddies widdies shoddies waddies muddies buddies eddies baddies soddies laddies kiddies neddies paddies dies caddis foodies gaddis didies bodies hoodies howdies eddoes rowdies toadies readies wadies goodies woodies nudies ladies caddice boodies kiddoes bawdies dudes goddess diets doodies todies tidies gaudies dowdies roadies beedies adieus dites dis