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.
wreaked wracked wrecked raked recked reeked racked wricked ryked ricked rucked ragged rooked racket rocked raggedy rackety react recta rigged rocket rogued rugged recoat recode regatta requite rickety
leaked wreaked beaked peaked eked peeked laked jauked lacked lekked caked baked racked recked raked wracked keeked geeked hacked sacked decked tacked wauked checked shacked yakked quacked kecked hawked naked backed gecked knacked necked paiked faked quaked gawked reeked pecked packed jacked becked wrecked soaked deked waked whacked cheeked yacked yeuked
wreak wrack wreck break freak freaky creak creaky