careful vs unconscious

careful

adj
  • Conscientious and painstaking; meticulous. 

  • Taking care; attentive to potential danger, error or harm; cautious. 

unconscious

adj
  • Not awake; having no awareness. 

  • engaged in skilled performance without conscious control. 

  • Without directed thought or awareness. 

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

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