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.
rosery rooser rouser rosier rosary riser raser rozzer raiser rosaria reissuer racer razer razor ricer racier rasure reassure
rosery misery ser kisser mousier busier nosier easier messier cusser lousier hisser reissuer looser lassoer chaser dossier guesser tessera rouser gassier suasory noisier leaser mussier usury choosier sear wowser tusser dowser doser seiser hosiery rooser issuer bossier cheesier fussier mossier fusser causer laser passer pessary poiser poseur raiser masseur viceroy raser suer cosier hissier queasier pisser houser poser loser goosier gasser serry baser pauser hosier sere nooser geyser kaiser lesser sera hawser muser seer maser newsier rosary pussier miser rosier osier sissier massier dosser diseur mosser douser hoser sassier tosser user riser wiser wussier mouser chasseur chooser teaser chouser
rose roues dross prossie proso pros crosse froes eros brose arse arose ruse rows rousseau rouse rosy rase roose roes rise resew resee reseau bros brosy erose cross gross prose pross prosy drossy