gargoyle vs monstress

gargoyle

noun
  • A fictional winged monster. 

  • Any decorative carved grotesque figure on a building. 

  • A carved grotesque figure on a spout which conveys water away from the gutters. 

  • An ugly woman. 

monstress

noun
  • A female monster. 

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