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.
hysterias sutras steres strass steers straws sataras sitters setters satoris suiters stories stereos souters seaters satirise stars stirs strews citers seders cyders stress strows stours stairs stores stares sitars satires seeders stoures suitors sutures satirize sautoirs sudaries sautoires zedoaries
hatterias hysterias tetris terais potteries terras yttrias batteries booteries butteries eateries catteries hetaeras cauteries coteries latrias lotteries niteries nutrias tetras tuateras
hysteria mystery oyster xyster shyster yester