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.
spieled spiled speiled speeled spelled spilled spoiled sepaled spooled suppled spalled spelt spilt sepalled supplied spoilt sepaloid spoliate sepiolite splat split
spieled lapelled uppiled spilled peeled speiled speeled repled repelled repealed rappelled rappeled lapeled pealed cupelled cupeled appealed pilled piled spelled spiled spoiled wheepled
spiel spail speel speil spell spile spill spoil