chatter vs phonation

chatter

noun
  • The vocalisations of various birds or other animals. 

  • The vocalisations of a Eurasian magpie, Pica pica. 

  • One who chats. 

  • The sound of talking. 

  • The situation where a drill or similar tool vibrates and tears the material rather than cutting it cleanly. 

  • An intermittent noise, as from vibration. 

  • In national security, the degree of communication between suspect groups and individuals, used to gauge the degree of expected terrorist activity. 

  • A user of chat rooms. 

  • Talk, especially meaningless or unimportant talk. 

verb
  • To talk idly. 

  • To make a noise by rapid collisions. 

  • To utter sounds which somewhat resemble language, but are inarticulate and indistinct. 

phonation

noun
  • The process of producing vocal sound by the vibration of the vocal folds that is in turn modified by the resonance of the vocal tract. 

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