scary vs unfrightening

scary

adj
  • Uncannily striking or surprising. 

  • Subject to sudden alarm; easily frightened. 

  • Causing fear or anxiety 

adv
  • To a scary extent; scarily. 

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

unfrightening

adj
  • Not frightening. 

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