comatose vs unawakening

comatose

adj
  • Fast asleep. 

  • In a coma: unconscious. 

  • Drowsy or lethargic. 

verb
  • To make comatose; to send into, or as if into, a coma. 

unawakening

adj
  • Not awakening; dormant, asleep. 

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