camping vs refuge

camping

noun
  • The act of setting up a camp. 

  • The recreational activity of temporarily living in a tent or similar accommodation, usually in the wilderness. 

refuge

noun
  • A state of safety, protection or shelter. 

  • A refuge island. 

  • An expedient to secure protection or defence. 

  • A place providing safety, protection or shelter. 

  • Something or someone turned to for safety or assistance; a recourse or resort. 

verb
  • To return to a place of shelter. 

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