resistance vs shielding

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. 

shielding

noun
  • Action done by the person with the ball to protect the ball from the defender; the person concerned keeps his body between the ball and the defender. 

  • The situation, in NMR spectroscopy, in which a local magnetic field is weakened by the presence of neighbouring nuclei 

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