harsh vs tickling

harsh

adj
  • Unpleasantly rough to the touch or other senses. 

  • Severe or cruel. 

verb
  • To negatively criticize. 

  • To put a damper on (a mood). 

tickling

adj
  • That tickles 

noun
  • A sensation that tickles. 

  • The act by which someone is tickled. 

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