excitement vs flatness

excitement

noun
  • something that excites. 

  • the state of being excited (emotionally aroused). 

flatness

noun
  • slim-tailedness or platykurticity 

  • The state of being bland : dullness 

  • Lack of bouquet and freshness of a wine, through too much aeration or infection with film yeasts 

  • The state of being flat 

  • The state of being two-dimensional; planar : planarity 

  • Mattness, the quality of a painted surface which scatters or absorbs the light falling on it, so as to be substantially free from gloss or sheen 

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