drudgery vs enjoyment

drudgery

noun
  • Exhausting, menial, and tedious work. 

enjoyment

noun
  • An activity that gives pleasure. 

  • The exercise of a legal right. 

  • The condition of enjoying anything. 

  • An enjoyable state of mind. 

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