armament vs armoured car

armament

noun
  • A body of forces equipped for war. 

  • The process of building up military capacity. 

  • Any equipment for resistance. 

  • All the cannon and small arms collectively, with their equipments, belonging to a ship or a fortification. 

armoured car

noun
  • A small wheeled armoured fighting vehicle. 

  • An automobile equipped with armour to protect important passengers. 

  • An armoured truck to transfer valuables between locations, which possesses armour against light firearms 

  • An armoured vehicle resistant to small arms fire. 

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