intuition vs perceptiveness

intuition

noun
  • A perceptive insight gained by the use of this faculty. 

  • Immediate cognition without the use of conscious rational processes. 

perceptiveness

noun
  • The state of being perceptive; acumen, discernment, insight 

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