resistance vs resistor

resistance

noun
  • The act of resisting, or the capacity to resist. 

  • An underground organisation engaged in a struggle for liberation from forceful occupation; a resistance movement. 

  • A force that tends to oppose motion. 

  • electrical resistance. 

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 resistance and resistor occurred in a corpus of books? (source: Google Ngram Viewer )