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.
redos redoes reds reads reeds redes redds rodeos radios redias readds readies rads roadeos rods rids rots rets roots routs roods rites roads rotes rodes rides rotis rotas rudds ratos rotos raids riots rates reduce radius reatas retuse reties routes rottes writes riotous roadies rowdies rats ruts
redos eds dos feuds suedes does leads vadose meadows kiddoes hideous beds koodoos edhs lidos beauteous vodous beads eddoes feeds audios heads fados cedis dodoes shadows didoes weeds udos dadoes duteous doodoos kneads reeds reads deads piteous redes meds iodous pedes nodose rodeos judos geds aedes dows dose doss zeds buteos videos dodos adios deeds ados luteous voodoos fidos coeds reds meads feds cedes roadeos eidos widows meeds teds redoes redds radios peds nodous needs heeds feods leuds weds kudos kiddos duos hoodoos seeds dados didos dots sheds
redo red uredia ordo cred ired brede bred rued reedy rediae reed redia rede redd ready readd read credo reroute uredo