importunateness vs pleading

importunateness

noun
  • Quality of being importunate. 

pleading

noun
  • The act of making a plea. 

  • A document filed in a lawsuit, particularly a document initiating litigation or responding to the initiation of litigation. 

adj
  • That pleads. 

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