laugh at vs taunt

laugh at

verb
  • To scorn or tease; to evince contempt or pity for someone, usually contrasted with laugh with. 

  • Used other than figuratively or idiomatically: see laugh, at. 

taunt

verb
  • to make fun of (someone); to goad (a person) into responding, often in an aggressive manner. 

noun
  • A scornful or mocking remark; a jeer or mockery 

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