lay figure vs pigwidgeon

lay figure

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

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

pigwidgeon

noun
  • A contemptible or stupid person or creature. 

  • A small or petty person, creature or object, especially a fairy, dwarf, imp, or elf. 

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