purveyor vs victualler

purveyor

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

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

victualler

noun
  • A supplier of victuals or supplies to an army. 

  • An innkeeper. 

  • One who deals in grain; a corn factor. 

  • A supply ship. 

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