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.
coleads colds clads cleats clades collets colloids gleds golds colludes clods glads collates colts collides claddaghs gleeds glades gledes culets caulds clouds cullets callets colitis galateas calottes culottes galletas clots cults clouts cultus gleets cloots glides glutes guilds gloats gallets gluteus gullets keloids kilties
coleads pleads leads deleads lads bleats bleeds iliads geladas clades clads glads gledes oeillades glades gleds pleiads roulades sleds galletas toledos wealds belauds blades ballads payloads loads leuds gleeds lauds muletas lades cleats miladis naleds plaids ballades pleats reloads salads daledhs teledus tuladis chiliads
colead cleat coaled coiled coled collate collet cooled cowled