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.
curiosa curios curious crissa curies curs cris carious curries cross crows cures cries curse currs kauris kouros curacy guiros caries crosse cruise course cuirass queries gurries cowries carries kauries corries kris cars cors crus quarries curassow guars grows crazy carrs croci gross cress gurus carse kurus croze crass cruse coirs cares corse gaurs crews craws cores craze crouse queers coarse caress cooers creese kyries cressy kaross creasy karoos coryza crease quires carouse karroos kerrias kerries quaeres queuers
curiosa ariose triose serosae ariosi arioso barrios brios furioso furious various harissa carious crissa curios curious serious serosa trios cheerios
curio curia curiae curie currie cur