automatic vs derringer

automatic

noun
  • A semi-automatic pistol. 

  • A car with automatic transmission. 

adj
  • An autoloader; a semi-automatic or self-loading pistol, as opposed to a revolver or other manually actuated handgun, which fires one shot per pull of the trigger; distinct from machine guns. 

  • Capable of operating without external control or intervention. 

  • Automatically added to and removed from the stack during the course of function calls. 

  • Firing continuously as long as the trigger is pressed until ammunition is exhausted. 

  • Done out of habit or without conscious thought. 

  • Necessary, inevitable, prescribed by logic, law, etc. 

  • Having one or more finite-state automata. 

derringer

noun
  • A type of very small, concealable pistol with one or two barrels, but without any loading system or magazine. 

How often have the words automatic and derringer occurred in a corpus of books? (source: Google Ngram Viewer )