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