gruff vs scabrid

gruff

adj
  • having a rough, surly, and harsh demeanor and nature. 

  • Of goods: bulky. 

  • hoarse-voiced. 

verb
  • To speak gruffly. 

scabrid

adj
  • scabrous; rough 

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