numbness vs unconsciousness

numbness

noun
  • Inability or reduced ability to experience emotion. 

  • Absent or reduced sensitivity to cutaneous stimulation. 

unconsciousness

noun
  • The state of lacking consciousness, of being unconscious 

  • ignorance or innocence; the state of being uninformed or unaware 

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