itch vs pricking

itch

noun
  • A sensation felt on an area of the skin that causes a person or animal to want to scratch said area. 

  • A constant teasing desire or want. 

verb
  • To scratch or rub so as to relieve an itch. 

  • To feel itchy; to feel a need to be scratched. 

  • To cause to feel an itch. 

  • To have a constant, teasing urge; to feel strongly motivated; to want or desire something. 

pricking

noun
  • A sensation that pricks. 

  • 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 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 itch and pricking occurred in a corpus of books? (source: Google Ngram Viewer )