promenade vs stairway

promenade

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

  • 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. 

verb
  • To perform the stylized walk of a square dance. 

  • To walk for amusement, show, or exercise. 

stairway

noun
  • A set of steps, with or without a case, that allow one to walk up or down. 

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