holidays vs saint's day

holidays

noun
  • The season around Christmas, Hanukkah, and New Year's Day. 

  • (usually after possessive) holiday, vacation; time off work, especially if spent travelling away from home 

saint's day

noun
  • A day in a liturgical calendar that is observed in honour of a saint; not necessarily a holiday. 

How often have the words holidays and saint's day occurred in a corpus of books? (source: Google Ngram Viewer )