peck at vs whop

peck at

verb
  • To attack with repeatedly soft blows (physically or otherwise) 

  • To unenthusiastically and in small bites. 

whop

verb
  • To throw or move (something) quickly, usually with an impact. 

  • To administer corporal punishment 

noun
  • A blow or strike. 

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