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.
readout redout routed redate reedit readied radioed ridotto readded radiate reded rated redid retted rooted reeded ratted redded radded retied raided ridded rioted rodded rotted rutted rodeoed
readout fadeout hideout redout wideout dot
redo read radio readd ready bread bready credo oread dread tread uredo rad red