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.
warsaw wars wairs wares wears wearies weirs worse whirs wires whirrs whores wooers wheres whereas worries wherries whirries
warsaw raws resaw braws bursa bursae foresaw hearsay craws presa serosa dorsa draws ursa ursae
war wair ware wary waur wear weary aware sware