That's not a natural word, it's a brand. In that case, of course Google decided to make Gmail look more like a word, because they want it to look natural when i

That's not a natural word, it's a brand. In that case, of course Google decided to make Gmail look more like a word, because they want it to look natural when it's used. For it to be a counterexample, it would have to have occurred naturally at first and then lost the hyphen.