goad vs tickling

goad

noun
  • That which goads or incites; a stimulus. 

  • A long, pointed stick used to prod animals. 

verb
  • To encourage or stimulate. 

  • To incite or provoke. 

  • To prod with a goad. 

tickling

noun
  • The act by which someone is tickled. 

  • A sensation that tickles. 

adj
  • That tickles 

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