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.
spalled sepalled sepaled spelled spilled spiled spoiled suppled spieled speeled spooled speiled sepaloid supplied spoliate sepiolite spelt spilt splat split spoilt
appalled sepalled palled spalled pulled spelled repelled repealed rappelled lapelled cupelled pallid pilled polled pallet paled sepaled appealed repolled pealed spilled
spall sepal spail spale spell spill