nail-biting vs scary

nail-biting

adj
  • That causes nervous anticipation or suspense 

scary

adj
  • Causing fear or anxiety 

  • Uncannily striking or surprising. 

  • Subject to sudden alarm; easily frightened. 

adv
  • To a scary extent; scarily. 

noun
  • Barren land having only a thin coat of grass. 

How often have the words nail-biting and scary occurred in a corpus of books? (source: Google Ngram Viewer )