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.
ragged raggedy rugged rigged raked racked rogued wreaked wracked ryked ricked rucked rocked rooked recode rugate racket recked reeked ragout rackety wrecked wricked hyracoid
bagged logged gagged legged zagged fogged jogged hogged figged fugged nogged sagged jagged jigged begged hagged tugged shagged zigged igged wigged dogged rugged ragged pegged vegged hugged lugged sogged kegged bugged mogged pigged rigged egged nagged cogged digged bogged wagged pugged fagged lagged gigged shogged tagged mugged chugged togged jugged segued hogget togaed rogued nugget raggedy vogued leagued gaed fugued
ragg raggee raggy rag raga reggae brag braggy frag crag craggy drag draggy