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.
wacke wack wake wacko wacky whack whacko whacky wauk weak wick woke wag wok week weka
wacke hackie rake pack rickey lake mack lack sickee sack dickey quack quake cake tackey coke duckie take jacky hackee jack wacky jake whack hickie whacky hickey shack hockey shake mickey hake ackee tack knack rakee rack wrack luckie make lackey sickie sake dickie quacky quickie cakey tacky akee cuke wack back wacko bake wake jockey whacko fakey chickee hack shacko fake yack