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.
toddies todies toadies teddies didies tidies tods dowdies daddies doodies dudes totes toads toits diets dites tides dodoes diodes duties todays didoes tedious dawties ditties tutties tootsie titties dauties tatties deities tets duds tads dits tits dads teds tots dates dodos tates toots dotes datos teats ditsy touts ditas didos deeds dadas duads deads titis deduce dattos tutees teiids dadoes tootsy dittos tatsoi tuttis doodoos duteous tattoos
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