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.
hetairas hetaeras headers heaters heteros headrace hatterias headdress haters heders hiders hatters heeders hitters hooters hauteurs
hetairas deairs hetaeras madeiras madras midairs nadirs sataras stairs deodaras tuataras
hetaira hetairai headier hetaera hetaerae