laugh at vs make game of

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. 

make game of

verb
  • To ridicule; to make fun of. 

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