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.
mesas masas messiahs massas messes meioses missays meiosis misease misassay mises mezes mazes maces muses misos misses mouses miosis missus missis mosses mezzos mioses moseys mezuza masses maizes musses mezuzah missies mousses masseuse
mesas cease quassias sass saws visas seas seesaw says pesos recess noesis psoas resays nauseas decease misease diesis massas tussahs lyssas cheeses casease zoeas assais naysays cassias essays eses fossas beses assess bioassays paisas reassess possess assays resaws missays seesaws cess dieses masas disease leses wiseass casas yeses
mesa maes masa mess messiah messy mews emes mems