centripetal vs tactile

centripetal

adj
  • Of, relating to, or operated by centripetal force. 

  • Directed towards the central nervous system; afferent. 

  • Directed or moving towards a centre. 

tactile

adj
  • Of or relating to the sense of touch. 

  • Used for feeling. 

  • Tangible; perceptible to the sense of touch. 

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