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.
annualize analyze annuals annulose annals annuls analyse anneals annulus aneles anlace anoles awnless anils anlas
annualize banalize finalize canalize penalize
annual annually annal annul anneal annuli anal