notability vs overman

notability

noun
  • A notable or eminent person or thing. 

  • The quality or state of being notable or eminent. 

  • Locally eminent people; the bourgeoisie or upper middle class 

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 notability and overman occurred in a corpus of books? (source: Google Ngram Viewer )