linger vs while away

linger

verb
  • To stay or remain in a place or situation, especially as if unwilling to depart or not easily able to do so. 

  • To remain alive or existent although still proceeding toward death or extinction; to die gradually. 

  • To consider or contemplate for a period of time; to engage in analytic thinking or discussion. 

while away

verb
  • To spend (time) idly but pleasantly 

  • To elapse, to pass. 

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