Currently, the tag drones has been created. The term drone is a commonly used phrase but is not the technically accurate term which is what should be used on Aviation.SE. Unmanned aerial vehicle or uav should be created and synonimized with drones.
As a side note, law makers are more an more using the acronym "RPAS" (remotely piloted air system). See e.g. the EU official RPAS webpage. Apparently this "remotely piloted" wording is more politically correct than "unmanned".
I may have used the drone tag first, and did so because of the common parlance. I wanted early users, especially in public-beta to easily tag things and keep moving / active on the site.
I'll go look to see if the various UAV tags are synonymized correctly with drone. If not, I think we are making a mistake until the synonyms are done right.