encourage vs strangle

encourage

verb
  • To mentally support; to motivate, give courage, hope or spirit. 

  • To spur on, strongly recommend. 

  • To foster, give help or patronage 

strangle

noun
  • A trading strategy using options, constructed through taking equal positions in a put and a call with different strike prices, such that there is a payoff if the underlying asset's value moves beyond the range of the two strike prices. 

verb
  • To kill someone by squeezing the throat so as to cut off the oxygen supply; to choke, suffocate or throttle. 

  • To stifle or suppress. 

  • To be stifled, choked, or suffocated in any manner. 

  • To be killed by strangulation, or become strangled. 

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