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.
grosze grosz groszy grouses grosses grazes gorses crozes grasses greases crosses grecize graecize griseous gracioso grazioso carouses gracious karosses crises crases curses carses graces cruses crazes corses krises courses creases creeses cresses cruises kerseys caresses
grosze grosz xeroses soroses saroses proses neuroses groszy crozes resize viroses pharoses eroses broses roses rooses trioses
gross cross crosse gars gorse gorsy grass grassy grouse grows