erky vs gro

erky

adj

  • Yucky, icky, repulsive. 

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