comatose vs spark out

comatose

adj
  • Fast asleep. 

  • In a coma: unconscious. 

  • Drowsy or lethargic. 

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

spark out

adj
  • Completely asleep or unconscious. 

verb
  • To render unconscious; to knock out. 

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