acanthesthesia vs prickling

acanthesthesia

noun
  • A type of paresthesia characterized by a tingling, numbing sensation as of being pierced by needles, usually caused by the (temporary) clamping of nerves. 

prickling

noun
  • A sensation that prickles. 

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