drench vs ignite

drench

verb
  • To soak, to make very wet. 

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

noun
  • A draught administered to an animal. 

ignite

verb
  • To subject to the action of intense heat; to heat strongly; often said of incombustible or infusible substances. 

  • to commence burning. 

  • to spark off (something), to trigger 

  • to set fire to (something), to light (something) 

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