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.
tarred tarried tared teared tardo tread dared tyred trued treed tried tardy tired torrid terret turret teredo tiered toured deaired trod tart trad turd tret triad tarty trode torte trade dried dured treat tarot trite dread dreed terete territ tirade toroid treaty triode
birred shirred barred curred chirred garred erred jarred warred whirred yirred charred tarred burred marred furred knarred churred purred gnarred parred red pared fried redo oared moored lured gyred ferret queried geared neared berried bared breed mired juried caried wared poured foredo soured varied redd horrid reared soared jeered roared tared dread sired deaired bread cored garret tread tried turret uredo teredo wearied worried brede cheered choired dried pureed shred tiaraed torrid whored greed pried seared hared creed jerreed buried credo pored sheared dared chared tarried feared hired ired queered eared leered jerrid aired terret parried faired heired preed wried peered dreed carried ferried dured paired laired freed sored zeroed fared rede bored mured harried quired herried fired bred curried barret veered cried rued cured serried quarried haired aeried cared jereed cred married rared cered teared gored sered loured nereid hurried tiered read sheered waired chored reed reread chaired wired whirried wherried oread shored tyred trued treed toured tired shrewd shared
tarre tarry tar tahr tare taro tear teary terra terrae terry torr star stare starry