intelligent vs intentive

intelligent

adj
  • Characterized by thoughtful interaction. 

  • Having an environment-sensing automatically-invoked built-in computer capability. 

  • Having at least a similar level of brain power to humankind. 

  • Of high or especially quick cognitive capacity, bright. 

  • Well thought-out, well considered. 

intentive

adj
  • Paying attention; attentive, heedful. 

  • Expressing intent. 

  • Intent (of the mind, thoughts etc.). 

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