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.
dimout timeout dimity demote demit dammit demode demoed dimmed diamide
dimout mut mot gomuti mutt gamut commute gemote gemot emote smut mote mute moot moat maut smote demote mott remote timeout