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.
snares snores sonars senores senarius senors sneers sceneries scenarios sooners sunrays seiners sinners senoras seniors sunrise sonorous cinereous
nares snares canneries joineries henries inures venires vineries fineries veneries beaneries penuries binaries manures sceneries lunars anears gnarrs sonars denars tanneries wineries enures henneries gunneries knaurs quinaries gnars kinaras coenures canaries honorees genres laniaries knars hymnaries nereis naris nears pineries nunneries senores snores deaneries dinars tenures shinneries
snare senarii senary snore sonar sunray