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.
morros morrows morris morose mors marrows mores murrs moors morse moras morays murras myrrhs morass murres moires marries murreys murries morassy mirs mars meres maras mires marse muras mures mairs mares maars mbiras morceau
burros churros morros charros cirrus pareos biros errs myrrhs arose barres burrows roes vireos rosy arras heros harrows rose sherris rows pyros karoos faros ceros gyros currs morrows prose gharris carrs morris crows porous grows serows yarrows murres chirres tiros cheeros charrs frows durrs whirrs duros troys trois cirrose torrs torose brose prows ferrous tarres proas hydrous narrows broos dorrs pross surras zeros karroos sirras parrs marrows serosa brows kaross eros murrs pharos bros guiros brosy aurous arrows burrs tyros erose morose purrs froes curios cheerios gross brios gnarrs barrios heroes kouros proso durras murras farrows borrows arris chiros euros vrows shirrs gyrose dross giros praos orris birrs pros parous serous porose sorrows barrows cross trows zeroes derris saros churrs hydros taros sierras terras toros rerose torous trios cirrous prosy chirrs cerous furrows yirrs
morro morrow mor murry murre murr marrow marrowy marry merry moira moirai moire morae moray more moor murra moory murrey mora myrrh