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.
grides grids grades gourdes grits grads gourds greets gratis crudes greeds guards greats griots gradus grates garotes garrets curites corrodes cowrites crowdies garrotes queridas grottoes corrades garottes corodies corridas cords crits cards cruds grots creds curds corrodies garrottes creeds curets cartes crowds cruets credos grouts carets groats cairds crates kraits grottos creates carates cardias curtesy caritas karates curates quartes croutes courtesy curettes keiretsu
rides hayrides ureides grides derides joyrides brides nereides irides hydrides bourrides prides oreides borides oroides birdies readies crudes redes hybrids jerids ferities irades bardes cairds grades viroids perdues parades rids hardies fordoes barites irids sorites hearties rewrites hordes hurdies braids parodies rodes druids yairds shorties choroids charities weirds weirdies triodes treaties toroids tardies hydrids droids queridas sarodes diorites birds pretties priedieus yperites purities gourdes murids rowdies sureties myriads corrodies parities foredoes rites rarities erodes pyrites aroids forties sorties parties girds roadeos periods curites crowdies corrades nereids jerrids merdes verities corodies frites burdies lairds heredes corrodes verites redoes grids marrieds sciurids cowrites prudes ferrites haeredes corridas roadies bredes cerites rodeos writes norites raids druidess dirties reties hydroids tirades trades triads varieties weirdoes charades chorioids shairds shrewdies yirds
grid gride garda gardai grad grade griot grit gritty grody