litany vs reappearance

litany

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

  • A prolonged or tedious list. 

reappearance

noun
  • The act of appearing again following absence. 

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