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.
viruses varuses viroses verses virosis versus frises versos varices frisees phrases frasses fraises phereses foresees pharoses pharisees veracious voracious furzes farces forces frizes farcies freezes friezes frizzes
ruses choruses cruses viruses uruses druses peruses xeruses ceruses varuses parises charases cruces roses frises irises rouses gyrases birses reuses arises grouses crises courses rases pursues broses erases krises crases gorses chorusses uraeuses truces terrases kerseys diereses derrises saroses xeroses proses carses rerises curses arrises corses merises lorises perses prases viroses hybrises rearouses phrases neuroses erses pharoses hearses arouses rises bruises parses verses horses bourses urases pareses cerises purses morrises brises carouses eroses arses burses nurses orrises jerseys cereuses trusses arrases phereses diaereses marses diureses hydrases torses prises worses soroses cruises sherrises