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.
naira nairu gnar knar nary near noir gnarr knaur knarry narrow nor knur nori
naira air lair laura lira mara mbira moirai varia hairy nairu para sirra zoaria deair wirra sharia moira vair hair airy fairy raia fair aura aria area maria mair vara pair parae zaire dairy wair chair tiara