intentive vs questioning

intentive

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

  • Paying attention; attentive, heedful. 

  • Expressing intent. 

questioning

adj
  • Characterized by questions, inquisitiveness, doubt, or wonder. 

  • Unsure of one's sexual orientation and/or gender identity. 

noun
  • Interrogation. 

  • The action of asking questions; a survey; an inquiry. 

  • The act of challenging, wondering, and doubting. 

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