anaphora vs perseveration

anaphora

noun
  • The repetition of a phrase at the beginning of phrases, sentences, or verses, used for emphasis. 

  • An expression that can refer to virtually any referent, the specific referent being defined by context. 

  • An expression that refers to a preceding expression. 

  • The most solemn part of the Divine Liturgy or the Mass during which the offerings of bread and wine are consecrated as body and blood of Christ. 

perseveration

noun
  • Argument by repetition; a mantra. 

  • The tendency to continue or repeat an act or activity after the cessation of the original stimulus. 

  • The act or an instance of persevering; perseverance. 

  • Uncontrollable repetition of a particular response, such as a word, phrase, or gesture, despite the absence or cessation of a stimulus, usually caused by brain injury or other organic disorder. 

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