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.
doors dors dorsa dorrs doers douras dories drys tors dowries dourahs tores torso toras dures deers tours dries torse torrs dress drays dears toros drees torsi durrs duros torus duras dross draws dares druse torose deairs hydras drowse torous duress torahs derris dressy derays hydros drossy tories durras drowsy daresay derries dearies diaries hydrous hydrase durries dairies tars tres
boors moors doors ors karroos fours roars hoers ours gores boras cores coirs horse hours soras pores horas gorsy worse whores hoars noris yores giaours shoers chores mores morse ores toras horsy corse zoris dors toros tors torsi torus torso loris goers lores noirs sorus mors gorse broos roose tours cors cooers fores lours moras oars boars koras wooers bores karoos torse torrs tores dorrs kors doers dorsa soars sores pours pooris choirs chorus sours shores yours
door dor doer dore dorr dory dour doura dourah dowry adore odor