demonstrative vs significatory

demonstrative

adj
  • that specifies the thing or person referred to 

  • given to open displays of emotion 

  • that serves to demonstrate, show or prove 

noun
  • A demonstrative pronoun. 

  • A demonstrative adjective. 

significatory

adj
  • significant; having signification 

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