mannequin vs still life

mannequin

noun
  • A jointed model of the human body used by artists, especially to demonstrate the arrangement of drapery. 

  • A dummy, or life-size model of the human body, used for the fitting or displaying of clothes. 

  • An anatomical model of the human body for use in teaching of e.g. CPR. 

still life

noun
  • A work of art depicting an arrangement of inanimate objects. 

  • A pattern that does not change from one generation to the next. 

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