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.
nadirs kneaders niters nitres nitros nitrous nodders nitroso needers natters natures knitters niteries notaries noters netters neuters nutrias nutters knotters notarize
nadirs eiders cheders boudoirs mudras adders wadders padders laders tiros stairs beaders gaydars feeders ciders madres pedros attires biders bedders codders powders hetairas leaders loaders aiders voiders widders shedders chowders chadors wedders tidiers sudors seeders satires cedars nodders chudders madeiras midairs dodders sautoirs riders bidders radars cottiers readers kidders retires judders heders heeders headers cadres lidars hiders puttiers coders hydros drys tires pitiers metiers cyders guiders faders tiers stirs needers lauders padres waders dors kneaders budders chiders madders fodders deairs madras ridders ladders redders gadders raiders hydras rudders seders tedders mudders shaders chadars odors ceders sautoires siddurs deodars udders weeders cheddars chuddars shudders