guidon vs pennant

guidon

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

  • A soldier assigned to carry such a banner. 

pennant

noun
  • A commemorative flag, traditionally triangular and made of felt, typically used to show support for a particular athletic team. 

  • The commissioning pennant flown on ceremonial occasions. 

  • A rope or strap to which a purchase is hooked. 

  • Either of two species of libellulid dragonfly of the genus Macrodiplax, of the tropics and subtropics. 

  • A sandstone between coal measures in parts of South Wales 

  • The broad pennant flown by commodores. 

  • The winning of a competition, represented by a flag. 

  • The church pennant indicating religious services are taking place aboard ship. 

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