gro vs grotty

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. 

grotty

adj

  • Unpleasant, dirty, slovenly or offensive. 

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