longsword vs traitor

longsword

noun
  • A European sword with a long, straight double-edged blade, a cruciform hilt, and a grip for two-handed use; prevalent from the 14th to 16th centuries. 

  • Any type of sword that is comparatively long; depending on context, applied to swords of the Bronze Age, Migration period, Viking Age and Renaissance era. 

traitor

noun
  • Someone who takes arms and levies war against their country; or one who aids an enemy in conquering their country. 

  • One who betrays any confidence or trust. 

  • Someone who violates an allegiance and betrays their country; someone guilty of treason; one who, in breach of trust, delivers their country to an enemy, or yields up any fort or place entrusted to their defense, or surrenders an army or body of troops to the enemy, unless when vanquished. 

verb
  • To act the traitor toward; to betray; to deceive. 

adj
  • Traitorous. 

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