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.
yclad clad clade colead glad cold clod claddagh cloud clued could glady coled cauld glade cleat cloddy coiled cooled coaled cowled culled cloudy called collate collide collied colloid collude cullied clot colt cult gled gold
yclad clad lad blade miladi roulade relaid belaud plaid belady colead waylaid oeillade ballade ballad clod gelada iliad hollaed delead laud load lead glade reload plead payload milady malady cold glad laid clade lade lady glady salad tuladi chiliad