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.
doodoos dodos dodoes doodies diodes dowdies dads tods dots duds didos deeds dados dotes dadas doits toots deads datos doats dudes duads todies todays dadoes dattos dittos didoes didies tootsy daddies duteous tattoos teddies tedious toddies tootsie
voodoos hoodoos koodoos doodoos vodous iodous nodose nodous rodeos dodoes dodos dos ods
doodoo dodo doody voodooed hoodooed doodad