ambulate vs promenade

ambulate

verb
  • To walk; to relocate oneself under the power of one's own legs. 

promenade

verb
  • To walk for amusement, show, or exercise. 

  • To perform the stylized walk of a square dance. 

noun
  • A dance motion consisting of a walk, done while square dancing. 

  • A prom (dance). 

  • A place where one takes a walk for leisurely pleasure, or for exercise, especially a terrace by the seaside. 

  • A walk taken for pleasure, display, or exercise; a stroll. 

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