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.
decry decury decor decare decker decree doggery diker dagger duiker dacker ducker daiker dekare docker digger dicker degree dogger dickier doggier duckier toggery
decry cry wiggery toggery decury skerry ecru decor scry rookery rockery puckery kerry query bakery buggery scary equerry jaggery fakery jagghery cookery quackery mockery knackery piggery recur roguery cory doggery waggery chicory