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.
pause pase passe pease paseo paise pus pas passee pace paws pias puce pass poussie puss peas pays pose peise pacey pious posse paisa psoae pussy poise peace piazze psi pes pis pews piso posy hyps pehs pows pois poos pice pacy pies piss pees peso
pause cause use miaous chaise paise pase vaus liaise gauze causey lase fusee house case vase chouse hawse luaus phase fuse raise reuse ruse cease souse tasse tawse touse chasse paseo passe pease mouse mousse fease ease bouse base beaus nausea gauss guise asea rase mousey masse rouse wrasse sauce douse taus tease louse muse lease chase chiaus youse