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.
levis levies levees leaves lavs luvs lavas laves leafs lives loves laighs loaves
levis vis cavies keeves levies mavies mavis naevus ivies navvies neves pavise nieves reifs revs civvies seifs davies devas devs wavies chivies shavies peeves eves heavies pavis beeves aviso vise visa vies movies bevies navies neifs nevus peavies reeves revise civies savvies sieves defis devise divvies chevies chivvies sheeves
lev laevo leave leavy leva levee levo levy lieve sleigh