pronunciation vs uttering

pronunciation

noun
  • The act of pronouncing or uttering a vocable. 

  • The formal or informal way in which a word is made to sound when spoken. 

  • The way in which the words of a language are made to sound when speaking. 

uttering

noun
  • An utterance; something spoken. 

  • The crime of knowingly presenting forged documentation. 

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