bight vs loop-the-loop

bight

noun
  • A curve in a rope 

  • A bend or curve in a coastline, river, or other geographical feature. 

  • A corner, bend, or angle; a hollow 

  • An area of sea lying between two promontories, larger than a bay, wider than a gulf 

verb
  • To arrange or fasten (a rope) in bights. 

loop-the-loop

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

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

  • The manoeuvre performed by looping the loop. 

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