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.
mynas mynahs minas monas manas manias mannas muns mans mons means moans minis manus mines moons miens menus manse munis manes hymns manos minus mains muons monos mense mensa mensae moneys hymens monies menace mannose meanies meinies menisci minnies minnows meanness
mynas anoas manas mannas lunas rennase pinnas saunas kinase lanais guanays snaws sennas sunnas nays kanas wyns zinnias annas yens donnas goannas dynes anas tenias wynns faenas tunas unais monas whenas nans hyaenas hyponeas naos gnaws quinoas guineas genoas sunnahs scenas siennas guanase kinas xenias ruanas pinas punas lianas manias hymns vinas faunas bunas tineas nonas chinas nanas unaus minas tynes mynahs hyenas hennas taenias veenas duennas cannas donas yins