bug-a-boo vs orc

bug-a-boo

noun
  • A mythical, nocturnal creature; a hobgoblin. 

  • Any imagined fear or threat, or a fear presumed larger than it really is. 

orc

noun
  • A mythical evil monstrous humanoid creature, usually quite aggressive and often green. 

  • A Russian soldier or gangster. 

  • For more quotations using this term, see Citations:orc. 

How often have the words bug-a-boo and orc occurred in a corpus of books? (source: Google Ngram Viewer )