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.
sunna sunnah sunn sunny senna sauna sun sienna snaw scena sonny zinnia sin syn sen son sane sinh sown sewn sone sine sene sign soon sawn snow seen syne sain zona
sunna henna sauna ruana puna pennae pinna manna luna kuna nona gunny goanna donna sunny tuna biennia unai sienna canna funny penna sunn senna runny punny pennia pinnae buna bunn anna bunny fauna faunae duenna zinnia tunny sunnah unau