grieve vs pine away

grieve

verb
  • To experience grief. 

  • To submit or file a grievance (about). 

  • To feel very sad about; to mourn; to sorrow for. 

  • To cause sorrow or distress to. 

noun
  • A manager or steward, e.g. of a farm. 

pine away

verb
  • To mourn or grieve so intensely as to slowly decline in health, vitality or energy. 

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