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.
tootsie toots tootsy tots touts totes toits tatsoi todies ditties tatties tattoos tutties toadies doodies titties toddies tats tets tuts tods dots tits dodos doits teats doats datos tates toads dotes tutus titis tauts dittos dattos tuttis todays tidies duties tutees dodoes teddies tedious dauties dawties deities doodoos dowdies duteous
potsie footsie tootsie booties footies cooties cutesie notice