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.
spodes spades sapotes spuds spots spates speeds spites spouts sippets sopites speedos sapotas septs spats spits spaits
epodes spodes tippytoes spades sapotes opioids lipoids lipides lapides capotes bipods apods poods poets pods pedes paddies dipodies tiptoes
spode sapota sapote spade spado sped spot spotty spout spud