refreshment vs tranquillity

refreshment

noun
  • The action of refreshing; a means of restoring strength, energy or vigour. 

  • A light snack or drink. 

tranquillity

noun
  • The state of being tranquil; peacefulness, the absence of disturbance or stress; serenity; calm. 

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