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.
teds teiids tods tads tets teddies tedious toads dates dites deeds deads totes teats tates tides dotes todays tutees duties tidies todies duteous toddies toadies tatties dawties tutties dauties titties deities ditties tots tuts dits dads duds dots tits tats duads datos dadas dados dauts duits toots titis ditsy deets duets dudes tauts diets doits dodos doats didos touts dawts toits ditas tutus
beds eds weeds teds feds feeds heeds geds coeds meds meeds needs peds reds reeds seeds zeds deeds weds sheds