broken record vs periodicity

broken record

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

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

periodicity

noun
  • The quality of being periodic; tendency to recur at regular intervals. 

  • Recurrence of a woman's periods; menstruation. 

  • The quality of a function with a repeated set of values at regular intervals. 

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