accoutred vs costumed

accoutred

adj
  • Supplied with essential equipments for a certain intention, particularly military. 

  • Provided with vital supplies for a precise aim, more specifically for the armed forces. 

costumed

adj
  • Wearing a costume; disguised. 

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