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.
paesanos paesans paisanos paisans paisanas passions poisonous poisons piousness puissance
paisanos paesanos sans paisans sains sanes snows asanas besnows fusains hessians cassinos gossans messans paesans paisanas casinos tisanes
paesan paesani paesano paisan paisana paisano