tune-up vs warm-up

tune-up

noun
  • A series of preparations for vigorous exercise; a warm-up 

  • A series of adjustments to an engine in order to improve its performance 

  • A match or race (frequently one exhibition in nature) contested as preparation for a match or race of high stakes. 

warm-up

noun
  • The act of exercising or stretching in preparation for strenuous activity 

  • Any act of preparation for a performance 

  • A period of time allocated for performing warm-ups. 

How often have the words tune-up and warm-up occurred in a corpus of books? (source: Google Ngram Viewer )