indicative vs ineffective

indicative

noun
  • The indicative mood. 

  • A term in the indicative mood. 

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

  • of, or relating to the indicative mood 

ineffective

adj
  • not having the desired effect; ineffectual 

  • lacking in ability; incompetent or inadequate 

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