automatic vs pom-pom

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. 

pom-pom

noun
  • A rapid-firing small-calibre cannon used especially as an anti-aircraft gun. 

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