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.
sherris sherries shris cherries shiers sheers shirrs shears shoers sharias cheerios shariahs cheers shrews churrs shares chirrs shires charrs shores charros cheeros chirres churros chorizo
derris sherris errs herries orris jerries corries gharries queries gurries ferries peeries hurries kerrias carries berries serais veeries serries harries derries durries terais terries whirries cheerios sherries perries cerias kerries barrios quarries gharris arris nereis marries rerise curries parries ferias peris series faeries sierras aeries morris lorries tarries terras wherries worries cherries cerise murries ers
sherry cherry shear sheer shier shirr shoer usher