Major vs guidon

Major

noun
  • Title for an army officer with the rank of major. 

name
  • A village in Saskatchewan, Canada. 

  • A surname. 

  • An unincorporated community in Kentucky. 

guidon

noun
  • A small pennant or banner carried by infantry soldiers to direct troop movement. 

  • A soldier assigned to carry such a banner. 

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