insipidity vs neologism

insipidity

noun
  • Something that is insipid; an insipid utterance, sight, object, etc. 

  • The condition of being insipid; insipidness. 

neologism

noun
  • The act or instance of coining, or uttering a new word. 

  • The introduction of new doctrine, for example in theology. 

  • The newly coined, meaningless words or phrases of someone with a psychosis, usually schizophrenia. 

  • A word or phrase which has recently been coined; a new word or phrase, or an existing one which has gained a new meaning. 

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