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.
paesan paesani paesano paisan paisana paisano peasen passion poison piscinae
paesan mesne resin paisano paisan paesano paesani ocean messan meson gossan sain hessian fusain esne asana sawn sane paisana resawn tisane
pas pes spas peps opes poesy pias peso pehs pause peise pees pease peas pays paws passe pacey pass pace paseo pase paise paisa passee pews pies apes paps spaes upas