listen vs utter

listen

verb
  • To pay attention to a sound or speech. 

  • To expect or wait for a sound, such as a signal. 

  • To accept advice or obey instruction; to agree or assent. 

noun
  • An instance of listening. 

utter

verb
  • To produce (speech or other sounds) with one's voice. 

  • To put (currency) into circulation. 

  • To commit the crime of uttering (knowingly presenting forged documentation). 

  • To produce (a noise) (of an inanimate object). 

  • To reveal or express (an idea, thought, desire, etc.) with speech. 

adj
  • Absolute, unconditional, total, complete. 

  • Outer; furthest out, most remote. 

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