armoured car vs plate armour

armoured car

noun
  • An automobile equipped with armour to protect important passengers. 

  • A small wheeled armoured fighting vehicle. 

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

  • An armoured vehicle resistant to small arms fire. 

plate armour

noun
  • Metallic armour made of large pieces or plates. 

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