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.
madras madrasa madeiras madrasah madrassa mudras madres madrassah maduros madders matrass mattrass maters matres midairs matures matters mudders maderize moidores mattress mitres miters motors metros metres meters meeters meteors metiers mooters mutters motorise
hydras mudras madras hatterias adders beaders redders lauders toras terais hetaeras terras betrays madders biders lidars fodders chudders wadders hiders widders deodaras nadirs tetras seeders laders strays rudders trays cyders powders hydros shedders chowders chadors wedders tuateras dodders sutras strass sataras ceders ridders raiders padres nodders torahs fedoras kidders odors cadres coders gaydars eiders duras derays madres mattrass durras bidders cheders gadders draws dourahs madrasa codders kneaders needers drays yttrias mudders ladders feeders trass heeders douras redraws cedars voiders drys pedros nutrias heders hydrase judders madeiras hetairas riders bedders faders guiders matrass budders loaders hysterias radars dors aiders readers padders straws leaders daturas headers tedders deodars latrias tuataras udders siddurs waders weeders sudors chadars cheddars ciders chiders chuddars seders shaders shudders
madre madder madeira maduro mudra