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.
cedary cedar zedoary ceder sudary cider citer cyder seder seater seeder starry seedier sudaria
feodary cedary feudary sudary cheddary dry powdery teary starry dory tarry gaydar redear redry votary dray gaudery rudery tawdry cheddar chuddar cedar zedoary diary midair radar dear dare dairy lidar notary dietary rotary deodar bawdry datary deodara doddery chadar deary shuddery
cede cedi aced acedia iced ceased