hasten vs while away

hasten

verb
  • To move or act in a quick fashion. 

  • To cause some scheduled event to happen earlier. 

  • To make someone speed up or make something happen quicker. 

while away

verb
  • To spend (time) idly but pleasantly 

  • To elapse, to pass. 

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