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.
tiger dodger dogear dodgery dodgier
liger tiger leger judger budger eager booger luger pager meager pudgier lodger edger ledger badger sager laager sauger gauger dodger cager dodgier codger gear eger wedgier ridgier huger ager regear auger edgier jager hedger headgear hedgier logier nudger mauger podgier dogear ledgier jaeger lager roger gouger sagier gager sedgier cadger dodgery cagier wager yager