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.
scried scurried sacred scared scored screed secured scoured scarred scrod suckered secret secrete skirred squired squared sugared saggared saggered security skywrite scart scrota cigaret saggard skirret skywrote
caried decried recarried carried scried cried quarried queried scurried curried buggered cred scared figured required recurred cured augured cockered garred acrid hypocrite scoured nickered saggered hagride knackered liquored squired shickered checkered tuckered degreed nacred daggered secured scored skywrite decreed pickeered pagurid leaguered picrite beggared sacred gored acaroid cowrite sugared curred credo negroid corrida acred screed agreed scarred querida quired queered lackered cored bickered jiggered skirred saggared suckered puckered gride grid greed curite eucrite cared dackered squared daikered acarid creed dickered whickered chequered shikarred
sacra scar scare scarey scarry scary score scoria scoriae scree screw screwy scry scurry sucre escrow