frightful vs hematic

frightful

adj
  • Unpleasant, dreadful, awful (also used as an intensifier). 

  • Genuinely horrific, awful, or alarming. 

adv
  • Frightfully; very. 

hematic

adj
  • Of, pertaining to, affecting or containing blood 

noun
  • hematinic 

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