tool around vs while away

tool around

verb
  • To spend one's time idly. 

  • To drive or jaunt about, going from place to place without any specific direction or goal. 

while away

verb
  • To spend (time) idly but pleasantly 

  • To elapse, to pass. 

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