drench vs drenching

drench

noun
  • A draught administered to an animal. 

verb
  • To soak, to make very wet. 

  • To cause to drink; especially, to dose (e.g. a horse) with medicine by force. 

drenching

noun
  • The administering of a medicinal draught to an animal. 

  • The act by which something is drenched; a soaking. 

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