repeat vs swap out

repeat

verb
  • To repay or refund (an excess received). 

  • To call in a previous artillery fire mission with the same ammunition and method either on the coordinates or adjusted either because destruction of the target was insufficient or missed. 

  • To refill (a prescription). 

  • To strike the hours, as a watch does. 

  • To commit fraud in an election by voting more than once for the same candidate. 

  • To happen again; recur. 

  • To echo the words of (a person). 

  • To do or say again (and again). 

noun
  • A television program shown after its initial presentation; a rerun. 

  • An iteration; a repetition. 

  • A pattern of nucleic acids that occur in multiple copies throughout a genome (or of amino acids in a protein). 

  • A mark in music notation directing a part to be repeated. 

  • A refill of a prescription. 

swap out

verb
  • To exchange (something or someone) for an unused (or less-used) equivalent. 

  • To exchange (something) for (something else). (usually followed by with or for) 

  • To transfer (memory contents) into a swap file. 

noun
  • Anything that is swapped out for another; an exchange. 

  • A pre-prepared food item used in place of an unfinished food item in order to cut down the overall preparation time during filming. 

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