indicative vs significatory

indicative

adj
  • serving as a sign, indication or suggestion of something 

  • of, or relating to the indicative mood 

noun
  • The indicative mood. 

  • A term in the indicative mood. 

significatory

adj
  • significant; having signification 

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