gambling vs gaming

gambling

noun
  • An activity characterised by a balance between winning and losing that is governed by a mixture of skill and chance, usually with money wagered on the outcome. 

gaming

noun
  • The playing of a game or games, including but not limited to video games and games of chance. 

  • Careful, strategic use of rules to achieve one's purposes, as one would use the rules of a game. 

  • Synonym of gambling 

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