averment vs disclosure

averment

noun
  • A positive statement of facts; an allegation; an offer to justify or prove what is alleged. 

  • The act of averring, or that which is averred; positive assertion. 

  • verification; establishment by evidence. 

disclosure

noun
  • The making known of a previously hidden fact or series of facts to another party; the act of disclosing. 

  • The act of revealing something. 

  • That which is disclosed; a previously hidden fact or series of facts that is made known. 

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