counter-clockwise vs countersunwise

counter-clockwise

adj

  • counterclockwise; anticlockwise 

adv

  • counterclockwise; anticlockwise 

countersunwise

adj

  • anticlockwise 

adv

  • anticlockwise 

How often have the words counter-clockwise and countersunwise occurred in a corpus of books? (source: Google Ngram Viewer )