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.
doody dowdy doodoo dodo tody didy doty teddy duddy today dotty toddy diode deedy daddy toady did dot dud dad tod doughty dada dude deed dado dido died duad duty dato doit tidy dead dote doat toot
boody goody hoody doody moody woody looed rowdy good rood cooed hooty zooty pood zooid ptooey noddy mood sooty shoddy today wooed howdy toady pooed food rooty booty soddy booed hood tody mooed body toddy wood dowdy footy shooed
doodoo doody woodie dowdy dodo hoodoo goodie diode foodie voodoo hood hoodie food rood good boody goody koodoo mood moody pood hoody wood woody