kindness vs venom

kindness

noun
  • The state of being kind. 

  • An instance of kind or charitable behaviour. 

venom

noun
  • Feeling or speech marked by spite or malice; vitriol. 

  • An animal toxin intended for offensive use, a biological poison delivered by bite, sting, etc. to protect an animal or to kill its prey. 

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