cordiality vs nastiness

cordiality

noun
  • A friendly utterance. 

  • to exchange cordialities with people 

  • The quality of being cordial. 

nastiness

noun
  • Lack of cleanliness. 

  • Indecency; corruption; unkindness, meanness, spite, harshness, cruelty. 

  • Dirt, filth. 

  • A nasty action, object, quality, etc. (all senses of nasty). 

  • Unpleasantness, disagreeableness (to the senses). 

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