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.
courts courtesy curtsy curets courteous curates curites curtesy curtsey croutes carts cords curds crits cowrites curettes crates kurtas cartes carets quirts cruets carats korats gourds quarts grouts caritas carates quartos carrots creates gourdes quartes corrades corodies corrodes corridas grots creds grits cruds karts cards corrodies griots creeds crowds krauts groats grates greats credos greets crudes karats gratis cairds guards quartz kraits garrets garotes cardias karates grottos crowdies garottes garrotes grottoes keiretsu queridas
hurts courts yurts crits kurtas grots quirts croutes ferrets jurats verts cartes frits boarts hearts arts korats frats artsy carets burets fortis borts quartos brats barrets karats rets ports virtus nerts shorts tortas cherts worts terrets whorts urds dirts turds trots torts rats orts aortas merits parts tarots gourds darts curtsy reroutes sorts berets curds carats carrots karts grits writs brits grouts rots burds quartes bruits girts frets morts routes farts hurds krauts brutes vertus routs forts ruts fruits airts shirts bruts marts quarts cruets carts certes prats curets surds garrets drats parrots fortes territs nurds pierrots tortes trets trouts derats turrets warts tarts worrits charts harts
court cowrite scoured cocreate gourd curried curite curet cured curdy curd curate croute cowrote corrody cord corrode corrida corrade corody cored curette curred curt gourde scored scurried