proveditor vs purveyor

proveditor

noun
  • One employed to procure supplies, as for an army, a steamer, etc.; a purveyor; one who provides for another. 

purveyor

noun
  • Someone who supplies what is needed, especially food. 

  • An officer who provided provisions for the king's household. 

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