resistor vs turncoat

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. 

turncoat

noun
  • A traitor; one who turns against a previous affiliation or allegiance. 

verb
  • To act as a turncoat; to betray 

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