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.
buggery bugger buggier bagger bigger beggary baggier boggier bucker beggar bakery buckeroo baker biker beaker bicker booker buckra backer beakier begorah begorra
buggery doggery waggery piggery jaggery wiggery toggery puggry foggier sagger buggier bugger jiggier faggier piggier baggier wagger fogger jogger vuggier tagger digger egger jaggier quaggier leggier loggier mugger nagger nigger jaggary tugger chugger gagger chigger lugger hogger jagger lagger kegger hugger jagghery boggier agger jigger doggier muggier roguery soggier wiggier bagger logger beggary puggier rigger rugger saggier dagger dogger naggier fuggier bigger shaggier