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.
checked cheeked chocked chucked choked shacked shocked shucked checkout chickadee chugged shagged shogged
gecked decked becked necked kecked pecked checked wrecked recked eked keeked whacked mucked knacked rocked sacked wracked hocked beaked rucked fucked bucked becket leaked deked nocked cocked lucked sicked reeked docked tacked locked packed jacked caked quacked yacked licked yocked wreaked coked geeked racked lacked hacked cheeked mocked wricked kicked backed tucked sucked pocked peeked lekked wicked chucked shocked picked nicked ricked hoicked socked dicked ducked ticked peaked chocked shacked shucked yeuked knocked yucked
check cheek cheeky chick chickee chock chuck chucky chechako cheechako