loop vs untwist

loop

verb
  • To move in a loop. 

  • To move something in a loop. 

  • To place in a loop. 

  • To join electrical components to complete a circuit. 

  • To fly an aircraft in a loop. 

  • To duplicate the route of a pipeline. 

  • To form something into a loop. 

  • To create an error in a computer program so that it runs in an endless loop and the computer freezes up. 

  • To fasten or encircle something with a loop. 

  • To form a loop. 

noun
  • A complete circuit for an electric current. 

  • A quasigroup with an identity element. 

  • A ring road or beltway. 

  • The opening so formed. 

  • A loop-shaped intrauterine device. 

  • A small, narrow opening; a loophole. 

  • A flexible region in a protein's secondary structure. 

  • A place at a terminus where trains or trams can turn round and go back the other way without having to reverse; a balloon loop, turning loop, or reversing loop. 

  • An aerobatic maneuver in which an aircraft flies a circular path in a vertical plane. 

  • An endless strip of tape or film allowing continuous repetition. 

  • A length of thread, line or rope that is doubled over to make an opening. 

  • An edge that begins and ends on the same vertex. 

  • A shape produced by a curve that bends around and crosses itself. 

  • A programmed sequence of instructions that is repeated until or while a particular condition is satisfied. 

  • A path that starts and ends at the same point. 

  • A bus or rail route, walking route, etc. that starts and ends at the same point. 

untwist

noun
  • A twist in the opposite direction. 

verb
  • To become untwisted. 

  • To remove a twist from. 

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