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.
parises prises parses prisses pareses praises prissies prizes perses purses prases prices proses pursues presses peruses paresis precise prosses piracies prossies precieuse peeresses precis prezes prosos pierces precess process pyrosis precious
rises brises orrises frises morrises merises parises arises rerises sherrises crises lorises krises arrises derrises prises hybrises cerises irises eroses bourses praises merisis burses varices pursues perses cruises kerseys murices purses broses gorses birses fraises prisses proses corses arses xeroses choruses worses urases trices terrases druses diereses prizes saroses viruses cruses braises curses reraises frizes courses marses crases pharoses roses raises verses bruises erases ruses pharisees jerseys frisees carses orrices horses peruses varuses carices prases parses crisis phrases erses nurses neuroses rices arrases viroses prices brisses pareses hearses gyrases phereses rases risus ceruses farcies soroses xeruses diaereses diureses hydrases torses trioses uruses charases mercies
paris pars sparse puris priss prise pries praise peris pears parrs parse parries paries pariahs pares paras pairs prissy spars uprise