anticlimax vs antistrophe

anticlimax

noun
  • An abrupt descent (either deliberate or unintentional) from the dignity of the idea which the speaker or writer appeared to be aiming for. 

  • An unsatisfying resolution to a narrative, usually owing to a deus ex machina or similarly trivial resolution of the main conflict. 

antistrophe

noun
  • The retort or turning of an adversary's plea against him. 

  • The lines of this part of the choral song. 

  • The repetition of a word or phrase at the end of successive clauses 

  • In Greek choruses and dances, the returning of the chorus, exactly answering to a previous strophe or movement from right to left. 

  • The repetition of words in an inverse order. 

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