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.
bestrew bestrow bestir bistre besetter baster bister bistro buster boaster booster bustier bistoury
strew bestrew restore piastre moisture misdrew lustre gastrea gesture vesture bestrow bistre austere strow straw store stere stare pasture posture wastrie
best beast beastie beset besot bestow