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.
gauleiter glitter guiltier glittery gleetier glider gloater quilter coulter guilder gladier kelter kultur kilter golder colter clatter clouter caldera clutter gladder clattery cloddier cloudier cluttery coleader collider killdeer
gauleiter liter letter litter loiter billeter bleater fleeter flitter glitter muleteer plaiter pleater politer reletter slitter