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.
level levelly lively lovely liefly
kevel level bevel devel revel weevil evil devil kvell suavely kevil vela reveal refeel novel naively veal hovel foveal lively uveal refel veil feel gavel ravel favela navel coaeval lovely coeval shovel
levee lev laevo lave leave leavy leva levo levy lieve live love sleeve