sprawl vs straighten

sprawl

verb
  • To sit with the limbs spread out. 

  • To spread out in a disorderly fashion; to straggle. 

  • To scoot the legs backwards, so as to land on the upper back of an opponent attempting a takedown. 

noun
  • A defensive technique that is done in response to certain takedown attempts, where one scoots the legs backwards so as to land on the upper back of the opponent. 

  • An ungainly sprawling posture. 

  • A straggling, haphazard growth, especially of housing on the edge of a city. 

straighten

verb
  • To stand up, especially from a sitting position. 

  • To clarify a situation or concept to (an audience). 

  • To bribe or corrupt. 

  • To cause to become straight. 

  • To become straight. 

  • To put in order; to sort; to tidy up. 

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