coarseness vs roughness

coarseness

noun
  • The property of being coarse, roughness or primitiveness, unrefined or unpolished. 

  • The quality or state of being coarse 

roughness

noun
  • The property of being rough, coarseness. 

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

  • Abundance, especially of food. 

  • Roughage; coarse fodder. 

  • Something that is rough; a rough spot. 

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