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.
reduce redes redoes retuse readies reds reads redds redos reeds radius readds redias reties
duce adduce educe reduce seduce deduce dace deuce dice douce duci dues bodice caddice caducei lettuce
red redo uredia cred ired brede bred rued reedy reed rediae read redia rede redd ready readd credo uredo