iteration vs loop-the-loop

iteration

noun
  • The use of repetition in a computer program, especially in the form of a loop. 

  • Recital or performance a second time; repetition. 

  • A variation or version. 

  • A single repetition of the code within such a repetitive process. 

loop-the-loop

noun
  • The manoeuvre performed by looping the loop. 

  • A yo-yo trick in which the yoyo is made to repeatedly swing around the hand in a looping fashion. 

  • A looped section of track, etc., as on a rollercoaster. 

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