atrocious vs gro

atrocious

adj
  • Very bad; abominable, disgusting. 

  • Frightful, evil, cruel, or monstrous. 

  • Offensive or heinous. 

gro

adj
  • Disgusting, unpleasant; gross. 

num
  • The cardinal number occurring after el do el (↋↋) and before gro one (101) in a duodecimal system. Written 100, decimal value 144. 

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