gnar vs yawp

gnar

verb
  • To snarl or growl. 

noun
  • Snow or an ocean wave. 

adj
  • Gnarly. 

yawp

verb
  • to yelp, or utter a sharp cry, as in intense pain, or another raucous noise 

  • clamor, utter loud complaints 

  • to talk loudly and coarsely 

noun
  • loud or coarse talk 

  • a yelp or bark 

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