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.
carny carney cairny carn crony corny cairn carnie cranny careen carina curn karn carinae corn carrion crone crown croon garni cornu crane greeny granny garron grainy curran cornea gurney crania cornua koruny coreign guarana guarani gran grin kern kirn
barny carny sharny varna garni baron barney barn bairn cairn airn cranny granny sharn barony karn learn reearn sarin tarn tranny warn yarn irony rainy branny koruny grainy gurney journey cairny carney earn brawny corny carn briny ferny horny porny saran darn tourney tyranny shairn crony brainy yearn
car care carr carry acari scar scare scarey scarry scary