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.
leady lead lady lad led laud leud load laid lied lade lewd laity wyled looed lutea laddie lid lat let late lati latu leet lode loid lota loud lude lute lido lite
beady heady leady ready weedy waddy faddy teddy caddy bead knead seedy paddy head neddy baddy bawdy eddy dead mead deedy readd meaty read reedy gaudy daddy needy lead lady toady peaty wady shady
lea flea ilea leal leally olea plea