insensible vs unappropriate

insensible

adj
  • Not sensible or reasonable; meaningless. 

  • Incapable or deprived of physical sensation. 

  • Unable to be perceived by the senses. 

  • Incapable of mental feeling; indifferent. 

  • Incapable of emotional feeling; callous; apathetic. 

  • Unable to be understood; unintelligible. 

unappropriate

adj
  • Inappropriate; unsuitable. 

verb
  • To take from private possession; to restore to the possession or right of all. 

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