elegance vs roughness

elegance

noun
  • Grace, refinement, and beauty in movement, appearance, or manners. 

  • Restraint and grace of style. 

  • The beauty of an idea characterized by minimalism and intuitiveness while preserving exactness and precision. 

roughness

noun
  • A measure of how rough something is, such as a surface 

  • Abundance, especially of food. 

  • Roughage; coarse fodder. 

  • The property of being rough, coarseness. 

  • Something that is rough; a rough spot. 

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