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.
doodoo dodo doody diode dowdy dad did dot dud tod
voodoo hoodoo koodoo doodoo vodou rodeo dodo
doodoo doody woodie dowdy dodo hoodoo goodie diode foodie voodoo hood hoodie food rood good boody goody koodoo mood moody pood hoody wood woody