lay figure vs manikin

lay figure

noun
  • A jointed model of the human body used by artists, or to display clothes. 

  • An unimportant person; a character (especially in fiction) lacking individuality. 

manikin

noun
  • A three-dimensional figure, dummy or effigy representing a man or person. 

  • A little man (sometimes as a term of endearment). 

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