cognizant vs unconscious

cognizant

adj
  • Aware; fully informed; having understanding of a fact. 

  • Sapient; self-aware. 

unconscious

noun
  • That part of mind that is not consciously perceived. 

adj
  • Not awake; having no awareness. 

  • engaged in skilled performance without conscious control. 

  • Without directed thought or awareness. 

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