firebrand vs wimp

firebrand

noun
  • An argumentative troublemaker or revolutionary; one who agitates against the status quo. 

  • A torch or other burning stick with a flame at one end. 

wimp

noun
  • Someone who lacks confidence or courage, is weak, ineffectual, irresolute and wishy-washy. 

verb
  • To render wimpy. 

  • To behave submissively. 

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