saunter vs strolling

saunter

noun
  • A leisurely walk or stroll. 

  • A leisurely pace. 

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

strolling

noun
  • The taking of a stroll. 

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