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.
mussed moussed mused messed missed moused mossed massed mustee misset muscid misseat musette misshod missaid must maced mucid moste mazed misdo musty mysid miseat mestee misadd misate miscite missout missuit mazaedia
biassed tossed bussed pissed chassed fussed cussed dossed hissed sussed missed dissed guessed kissed yessed wissed massed gassed moussed messed mossed bossed mussed cessed fessed passed jessed sassed posed rosed asset guised raised russet dosed loused reissued dowsed physed busied issued rased seed based noosed paused lassoed visaed reseed chowsed cheesed chased wised toused tissued tawsed mused disced phased cosset roosed housed jassid ceased cosied noised moused viseed vised sued doused reused poised goosed boused loosed eased posset liaised tasset nosed basset bused reseda fused hoised seised feased gussied leased misset knesset soused daisied lased hayseed cased bowsed gessoed biased roused caused pseud teased peised used gusset lysed choused hosed
mussy muss mus mosso emus moss amus massa missy miss mousey mouse mossy mousse missay messy messiah mess massy masse mousy muse mass amuse mums