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