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.
subarid seaboard subbreed sybarite sabred sabered seabird sobered zebroid sobriety sowbread soubrette
subarid bard tabard debride zebroid rubboard gabbard seaboard reboard leeboard labroid keyboard aboard gabbroid bared hybrid barde bride braid board beard fibroid debeard dihybrid teaboard