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.
kermes kermess kermesse kermis kirmess grimes cremes grumes kormas crimes karmas crambes grammes gremmies crummies cramboes crams grams corms gorms gouramies caroms creams crumbs gramas grooms cormous crambos corymbs curiums grumous grammas carroms quorums cramoisy gouramis
bermes vermes formes kermes ramies jorums romeos crummies marrams herms brumes kirmess karmas rimes worms quorums terms arames grimes dermas berimes roomies preemies crambes cremes dorms chirms trims drums derms serums primes perms kermess berms brims ramees germs proms harems grams rums arums barms arms armies carroms forums jorams fermis warms prams vermis berhymes zirams harms biremes durums gouramies frames forams bromes kermis firms rhymes larums rems prims ferrums forms rams corms dirams caroms rummies grumes gremmies grammes gorms crimes rims crams kormas ihrams charms roms aurums farms norms premies rearms dermis drams trams chromes