intuitive vs knows what’s what

intuitive

adj
  • The intuitive response turned out to be correct. 

  • Easily understood or grasped by intuition. 

  • Having a marked degree of intuition. 

  • Spontaneous, without requiring conscious thought. 

noun
  • One who has (especially parapsychological) intuition. 

knows what’s what

How often have the words intuitive and knows what’s what occurred in a corpus of books? (source: Google Ngram Viewer )