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.
sapotes sapotas spots spodes spouts spites spates sopites spats zapateos spits septs zaptiehs spades spaits speeds sippets speedos spitz spuds
capotes sapotes pots sapotas teapots reputes depots repots spots pupates spites copouts sopites bowpots epodes boughpots pouts potsy poets pates spates spodes spouts deputes tiptoes
sapota sapote spot spotty spout