a priori vs insensible

a priori

adj
  • Presumed without analysis. 

  • Self-evident, intuitively obvious. 

  • Based on hypothesis and theory rather than experiment or empirical evidence. 

  • Developed entirely from scratch, without deriving it from existing languages. 

adv
  • In a way based on theoretical deduction rather than empirical observation. 

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. 

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