dogleg vs sharp turn

dogleg

verb
  • To bend in the shape of the hind leg of a dog, especially to turn and then turn back sharply to the original direction. 

noun
  • A single intersection consisting of two opposing T-junctions in close proximity; an intersection with a staggered cross street. 

  • A configuration of stairs where a flight ascends to a half-landing before turning 180 degrees and continuing upwards. 

  • A sharp bend in the fairway before reaching a hole. 

sharp turn

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