abruptness vs diagonal

abruptness

noun
  • The state of being abrupt or broken 

  • Suddenness; unceremonious haste or vehemence. 

diagonal

noun
  • Synonym of slash ⟨/⟩. 

  • A line or cut across a fabric at an oblique angle to its sides. 

  • A line joining non-adjacent vertices of a polygon. 

  • A line or plane at an oblique angle to another. 

adj
  • Having a slanted or oblique direction. 

  • Of or related to the cater-corner (diagonally opposite) legs of a quadruped, whether the front left and back right or front right and back left. 

  • Joining two nonadjacent vertices (of a polygon or polyhedron). 

  • Having slanted or oblique lines or markings. 

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