gainsaying vs resistor

gainsaying

noun
  • Rebellious opposition; rebellion. 

  • Denial; denying. 

  • Refusal to accept or believe something. 

  • Contradiction. 

  • Opposition, especially in speech. 

resistor

noun
  • One who resists, especially a person who fights against an occupying army. 

  • An electric component that transmits current in direct proportion to the voltage across it. 

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