happy hour vs holiday

happy hour

noun
  • A time of day, usually in the afternoon or early evening, when a bar or pub offers its drinks at a discounted price. 

  • Any small gathering, usually in the afternoon or early evening, set aside to relax and have a drink. 

  • Flowers. 

holiday

noun
  • A period of one or more days taken off work for leisure and often travel; often plural. 

  • A day declared free from work by the state or government. 

  • A gap in coverage, e.g. of paint on a surface, or sonar imagery. 

  • A period during which, by agreement, the usual payments are not made. 

  • A day on which a festival, religious event, or national celebration is traditionally observed. 

  • A period during which pupils do not attend their school; often plural; rarely used for students at university (usually: vacation). 

verb
  • To spend a period of time in recreational travel. 

  • To take a period of time away from work or study. 

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