caterer vs proveditor

caterer

noun
  • A person employed to obtain and maintain the storage of provisions, especially food. 

  • A person or company hired to provide and serve food, usually for a large group and at a location separate from where the food is prepared. 

proveditor

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

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