There might have been usages for a common word like canon.While there might not be a use for canon.com there are sites with canon in their name. ex canonshot.co

There might have been usages for a common word like canon.While there might not be a use for canon.com there are sites with canon in their name. ex canonshot.com Going forward, just like it happened with .com domain names, there will be rise of variations. Like .blogs or .blogg etc