deasil vs dextrorotatory

deasil

adv
  • Clockwise. 

noun
  • Clockwise motion. 

dextrorotatory

adj
  • That rotates the plane of polarized light to the right, or clockwise. Notation: (+) or formerly lowercase d-. 

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