gro vs obscene

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. 

obscene

adj
  • Disgusting or repulsive. 

  • Offensive to standards of decency or morality. 

  • Lewd or lustful. 

  • Liable to corrupt or deprave. 

  • Beyond all reason; excessive. 

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