perforation vs pricking

perforation

noun
  • The act of perforating or the state of being perforated. 

  • That portion of a surface that remains after an open disk is removed from it. 

  • A series of holes punched through something in order to assist in separating parts. 

  • An abnormal opening in an organ, such as a rupture. 

  • Any opening in a solid object. 

pricking

noun
  • The act of piercing or puncturing with a sharp point. 

  • The driving of a nail into a horse's foot so as to produce lameness. 

  • A sensation that pricks. 

  • A nicking. 

  • The mark or trace left by a hare's foot; a prick. 

  • The act of tracing a hare by its footmarks. 

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