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.
muleteer moulter milter melter molter maltier miltier moulder mouldier melder milder molder moldier multure military militaria
muleteer letter belter billeter bleater fleeter gauleiter gleetier kelter melter pelter pleater reletter sleetier welter shelter
muleta mauled moult mulatto muled mulled mullet amulet