asymmetry vs straightness

asymmetry

noun
  • Absence of symmetry or proportion between the parts of a thing, or a distinction that produces such a lack of symmetry. 

  • The lack of a common measure between two objects or quantities; incommensurability. 

straightness

noun
  • The result or product of being straight. 

  • The state or quality of being straight (especially in the sense of "heterosexual"). 

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