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.
durrs durras durries dorrs duras dures duros derris duress douras dors derries drys dourahs dares torrs doors tours drees deers druse dress dears drays draws dross dries doers dorsa hydras terras derays dories tarres drowsy dressy hydros drowse deairs drossy dowries tarries dairies daresay diaries hydrase terries dearies hydrous tars tors tres
burrs durrs currs murrs churrs purrs burs houris buhrs sierras orris purse ours furs suers myrrhs morros bursa sours gnarrs errs murres knurs knaurs feuars sieurs lures bourse course yirrs sherris churros chirres charros urus tours terras burse kurus ruers mures duras nurse dorrs duros surras kauris pours parrs buras sirras guars purs dures cirrus hours tarres burros cures aures carrs kouros durras gharris fours gaurs euros birrs auras pursy lours arras morris lauras gurus derris suras douras auris curs puris arris barres curse muras chirrs torrs ursa queuers whirrs charrs murras giaours shirrs yours
durr durra durrie derry dorr dour doura dourah dura dure duro