acanthesthesia vs paresthesia

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. 

paresthesia

noun
  • A sensation of burning, prickling, itching, or tingling of the skin, with no obvious cause. 

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