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.
deities ditties dites didies duties dits titties dawties dauties deets dates ditas titis duits diets doits dotes ditsy duets deeds teiids todies dittos didoes tidies toddies daddies teddies tutties tatties dowdies doodies toadies ditz dots tets tits ditzy tides dauts toits datos totes dudes dawts deads tates teats doats didos dattos tutees deduce dadoes dodoes diodes tuttis deutzia duteous tedious tootsie
laities whities deities cities pities ties cutties whiteys kites gaieties jetties mitis reties cites rites cuties catties tutties mites jutties suites dauties bawties putties dites duties tides titis wites sites sties gites kitties writes patties beauties pieties booties boites footies bites cooties moieties potties butties fatties nites zitis dawties didies ditties tatties tidies titties whites hotties chitties tis its