broken record vs repetition

broken record

noun
  • Someone or something that constantly repeats itself, causing annoyance. 

  • Used other than figuratively or idiomatically: see broken, record. 

repetition

noun
  • The act or an instance of repeating or being repeated. 

  • The act of performing a single, controlled exercise motion. A group of repetitions is a set. 

verb
  • To petition again. 

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