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.
keynoter canter kantar kinder cointer counter gaunter quainter candor cantor condor contra gander qintar
noter keynoter inter jauntier jointer cointer gaunter haunter hunter counter quainter linter minter minuter mounter ranter pointier reinter rentier runtier santera saunter snootier daunter tenter tinter uniter winter chanter chunter paintier venter hinter punter knotter fainter entera enter bunter banter canter niter vaunter lientery lintier mintier montero pointer painter reenter renter reuniter center santero sinter daintier taunter tentier undoer wanter wintery chaunter shunter