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.
cordial cordially credal creedal cordelle cradle curdle curtal crudely courtly curtail gradual greedily gradually cartel curtly greatly griddle
cordial ordeal wordily uredial tardily predial praedial peridial marital radial credal hardily bridal biradial redial radiale chordal
cord cardia cardiae cardio cored corody corrida cowrite