delegacy vs legislator

delegacy

noun
  • The position or state of being a delegate. 

  • A collection of delegates. 

legislator

noun
  • especially a member of a legislative body. 

  • especially not any individual member of a legislative body but the abstracted author of a statute or statutes relevant for the principles of interpretation. 

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