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.
cruses cruises carouses curses corses crases crises cruces carses crosses creases grouses courses cresses creeses caresses crozes crisis gorses crasis cuirasses krises crazes greases kerseys grosses crazies coerces carices grasses curacies karosses carassows curassows coriaceous graces grazes grosze coryzas gracious griseous
rouses choruses cruses varuses rearouses viruses arouses ruses ceruses uraeuses cereuses uruses carouses druses peruses xeruses reuses grouses boreases arses phoresies corses rases perses crases gyrases fraises harasses browses creases crises arrises cruces kerseys irises caresses precieuse hearses heiresses rerises jerseys pharisees merises raises resews bourses phrases verses horses nurses chorusses whereases ureases brises broses truces tresses torses hydrases gorses drosses diureses diaereses charases saroses pareses soroses lorises prosses purses braises prissies frasses brassies morrises courses prises resees marses cruises erases bruises arises creeses prisses prossies cresses frises crosses burses parses parises phereses roses xeroses brasses krises frisees grasses carses grosses reassess birses greases arrases foresees viroses eroses cuirasses karosses heresies wrasses erses cerises reissues curses praises presses hybrises morasses peeresses rises pharoses neuroses proses prases trusses reraises brisses rooses orrises seeresses derrises diereses dresses drowses duresses terrases trasses trioses urases berceuse worses pursues sherrises
cruse crus curse cars carse cors corse crass cress cris cressy crissa cross crosse crouse cruise curs ecrus