homunculus vs mannequin

homunculus

noun
  • A miniature man, once imagined by spermists to be present in human sperm. 

  • The nerve map of the human body that exists on the parietal lobe of the human brain. 

mannequin

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

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

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

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