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.
kiddies kiddoes kiddos kids kitties caddies cuddies kites kadis caddis gaddis guides goodies caddice keddahs goddess gaudies kits gaieties caids cadis codes kytes guids gadis gudes cades qaids keets kudos kudus qadis quids cuties ketose quiets catties cooties cutties koodoos quietus
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
kiddie kiddo kiddy skiddoo skiddy kid