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.
trios triose tries trows tiros tyros taros troys toros trois tories torous terais torose tres tors yttrias tarries tars terries toras tahrs trice torus torsi truss terse tiers tires tores tarsi tours tress dries duros treys tyres torso trees torse tares trews trues torrs trooz tears trass trays dross trousseau drowsy derris tarres terras drowse tressy dories drossy hydros torahs durries dearies derries diaries dowries dairies hydrous terrazzo dors drys
barrios trios cheerios brios curios ferrous reis various curiosa rosy frows furrows euros tyros herries eros broos kaross cross bries curries rise corries bris pooris queries grows heroes kris charros cerias proas pros ferias serosa curies varias gharris brows carious hybris biros barrows burros morris whirries noris cries rias hurries roes pareos gurries priss kyries puris erose froes frise hydrous zeros saris diaries nereis sris trows sorrows dowries cirrose dairies tarries sauries terries tories torose pries tries cheeros chiros paris churros sherries shris proso ceros borrows brose porous faros derries kouros arrows dross naris vireos wearies durries morrows prosy series juries lories aurous lorries faeries giros peris rerise kerrias auris harries parous furioso kauris narrows brosy harrows terais karroos cerise cirrous torous yttrias saros worries laris rais houris marries perries arris pharos gyrose ariose prose marrows serais berries praos pyros kerries furious buries furies aeries arioso caries varies eyries toros gyros pross vrows serous souaris cris fairies ferries quarries veeries farrows crows wries fries triose parries serows gharries orris ariosi arias peeries dries bros briss heros morros cerous prows karoos guiros cowries rows gross arose trois hydros tiros jerries arise iris burrows derris serries dories morose curious paries zoris prise wherries porose murries serious zeroes taros carries rerose dearies rose troys kauries norias cherries loris chorizo sharias sherris duros yarrows
trio taro tiro tori torii toro trow troy tyro atria rioter stria striae strow stroy