litany vs reproduction

litany

noun
  • A prolonged or tedious list. 

  • A ritual liturgical prayer in which a series of prayers recited by a leader are alternated with responses from the congregation. 

reproduction

noun
  • A method for reproducing a bug or problem. 

  • The act of reproducing new individuals biologically. 

  • The act of making copies. 

  • A copy of something, as in a piece of art; a duplicate. 

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