accouterment vs armoury

accouterment

noun
  • A soldier's equipment, other than weapons and uniform. 

  • An article of clothing or equipment, in particular when used as an accessory. 

  • An identifying yet superficial characteristic. 

armoury

noun
  • A collection of weapons and materiel. 

  • Heraldry 

  • A place where arms are kept, an arsenal. 

  • A place where arms are made. 

  • The manufacture of armour and arms; arming, armouring. 

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