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.
unled unlead unoiled unlet unallied unnailed unlade unlaid unload unlit
unled annealed renailed paneled canalled kennelled veinlet funnelled inlet finialed funneled annulled unallied tunneled nulled tonlet unnailed snooled channeled snailed aneled knelled naled snelled runlet panelled kenneled moonlet knolled nailed canaled kneeled nielloed nilled unlead tunnelled unlet townlet unoiled toenailed channelled