Major vs warlord

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. 

warlord

noun
  • A high military officer in a warlike nation. 

  • A local ruler or bandit leader usually where the government is weak. 

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