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.
basque bisque bosque bezique bask basic bousouki
basque bisque bosque casque masque mosque risque usque bezique fescue physique cacique cazique miscue rescue
bas baas base bass bassi basso bassy bays bias boas abas abase obas