contortion vs lopsidedness

contortion

noun
  • The act of contorting, twisting or deforming something, especially oneself. 

  • A form of acrobatic display which involves the dramatic bending and flexing of the human body. 

lopsidedness

noun
  • The state or property of being lopsided. 

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