hobgoblin vs succuba

hobgoblin

noun
  • A small, ugly goblin that makes trouble for humans. 

  • A source of dread, fear or apprehension; a bugbear. 

succuba

noun
  • A female demon or fiend; a succubus. 

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