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.
most moste moist must mast mist maist musty misty mayst misset moused mestee misate miseat mustee mossed missuit misseat musette mozette mozetta moussed missout miscite mozzetta mozzette misdo mused mysid
boost ghost host cost lost most post roost dost tost wost