fire-eater vs incendiary

fire-eater

noun
  • A quarrelsome or belligerent person. 

  • An extreme partisan for the South before the US Civil War. 

  • A performer who pretends to swallow fire. 

incendiary

noun
  • One who excites or inflames factions into quarrels. 

  • Something capable of causing fire, particularly a weapon. 

  • One who maliciously sets fires. 

adj
  • Intentionally stirring up strife, riot, rebellion. 

  • Capable of, or used for, or actually causing fire. 

  • Inflammatory, emotionally charged. 

How often have the words fire-eater and incendiary occurred in a corpus of books? (source: Google Ngram Viewer )