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.
joinder jointer jointure gender jauntier janitor
finder minder binder pinder cinder hinder winder kinder joinder tinder hander reindeer daunder randier qindar ender fonder meander bonder minter bendier funder denuder fender tender pander lander pointer wonder windier bounder under fainter launder vender wander cointer pounder gander bindery sandier inter rounder render lender bander sinter painter tindery hounder ponder endear dander sander jointer nuder maunder handier linter indri founder hinter mender cindery quainter sunder bender sender snider sounder zander dandier gender tinter undoer sonder reinter winter yonder