cubicle vs room divider

cubicle

noun
  • A small separate part or one of the compartments of a room, especially in a work environment. 

  • A small enclosure in a public toilet for individual use. 

  • A small enclosure at a swimming pool etc. used to provide personal privacy when changing. 

room divider

noun
  • A screen or piece of furniture placed in a way that it divides a room into separate areas. 

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