accouterment vs workwear

accouterment

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

  • An identifying yet superficial characteristic. 

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

workwear

noun
  • Clothes designed to be worn while working, especially in a physically demanding job. 

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