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.
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biker duiker hiker piker daiker diker siker liker decker hokier gawkier buggier kier bicker kicker puggier bucker looker knackery kookier luckier sacker vuggier meeker rocker licker dacker mockery pokier foggier mikra racker knocker quaker picker leggier necker hookier weaker hawker naggier cockier rookier knacker dickier seeker wicker soaker tucker wackier checker choker pickier chukker sucker ducker shaker shicker shikker docker shucker locker yuckier whackier laker baggier wrecker saggier faker jacker ticker tackier quakier puckery faggier bakery gooier packer quicker booker duckier jiggier jokier rookery leakier peakier reeker kickier cookery muckier baker reekier lacker keir ocker pickeer cocker waker hocker piggier raker jaggier hooker nicker wreaker beakier mucker quackier fakeer sicker fucker hacker fakery backer cakier geekier doggier fuggier gawker pockier beaker maker peckier rockier cooker oakier mocker lakier quackery taker tacker poker pucker leaker icker joker suckier rockery boggier ickier pecker loggier pawkier muggier whicker soggier skier toker wacker wiggier cheekier saker chokier dicker whacker shaggier shakier shikar leggiero shocker quaggier yakker yukkier
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