accouterment vs mufti

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. 

mufti

noun
  • A civilian dress when worn by a member of the military, or casual dress when worn by a pupil of a school who normally would wear uniform. 

  • A Muslim scholar and interpreter of shari’a law, who can deliver a fatwa. 

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