plow under vs wallop

plow under

verb
  • To destory (crops) by turning them into the ground with a plow 

wallop

verb
  • To move in a rolling, cumbersome manner; to waddle. 

  • To wrap up temporarily. 

  • To flounder, wallow. 

  • To boil with a continued bubbling or heaving and rolling, with noise. 

  • To strike heavily, thrash soundly. 

  • To rush hastily. 

  • To trounce, beat by a wide margin. 

  • To eat or drink with gusto. 

  • To send a message to all operators on an Internet Relay Chat server. 

noun
  • anything produced by a process that involves boiling; beer, tea, whitewash. 

  • A heavy blow, punch. 

  • A thrill, emotionally excited reaction. 

  • A quick rolling movement; a gallop. 

  • A person's ability to throw such punches. 

  • An emotional impact, psychological force. 

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