grim vs gro

grim

adj
  • Disgusting; gross. 

  • Rigid and unrelenting. 

  • Ghastly or sinister. 

  • Dismal and gloomy, cold and forbidding. 

verb
  • To make grim; to give a stern or forbidding aspect to. 

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 grim and gro occurred in a corpus of books? (source: Google Ngram Viewer )