interrogatory vs querying

interrogatory

adj
  • Serving to interrogate; questioning. 

noun
  • A formal question submitted to opposing party to answer, generally governed by court rule. 

  • A question; an interrogation. 

querying

adj
  • Questioning, or prone to asking questions. 

noun
  • The act of making a query. 

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