circumnutate vs saunter

circumnutate

verb
  • to bend in a direction that is continuously moving in a horizontal direction 

saunter

verb
  • To stroll, or walk at a leisurely pace. 

noun
  • A leisurely walk or stroll. 

  • A leisurely pace. 

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