grieve vs overman

grieve

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

verb
  • To submit or file a grievance (about). 

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

  • To cause sorrow or distress to. 

  • To experience grief. 

overman

noun
  • A person who supervises others; a supervisor, especially in a mine. 

  • A person with great powers; a superman. 

verb
  • To provide with too many personnel; overstaff. 

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