insensible vs spark out

insensible

adj
  • Incapable of mental feeling; indifferent. 

  • Incapable or deprived of physical sensation. 

  • Unable to be perceived by the senses. 

  • Not sensible or reasonable; meaningless. 

  • Incapable of emotional feeling; callous; apathetic. 

  • Unable to be understood; unintelligible. 

spark out

adj
  • Completely asleep or unconscious. 

verb
  • To render unconscious; to knock out. 

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