anxiety vs tickling

anxiety

noun
  • An uneasy or distressing desire (for something). 

  • An unpleasant state of mental uneasiness, nervousness, apprehension and obsession or concern about some uncertain event. 

  • A state of restlessness and agitation, often accompanied by a distressing sense of oppression or tightness in the stomach. 

tickling

noun
  • The act by which someone is tickled. 

  • A sensation that tickles. 

adj
  • That tickles 

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