double talk vs enunciation

double talk

noun
  • Speech which combines English (or some other language) and native-sounding gibberish for humorous effect. 

  • Doublespeak. 

  • Lies, especially in a formal political statement. 

  • A situation when two people talk at the same time, causing overlapping audio signals. 

  • A simple phonetic code with a regular infix that makes meaningful speech sound unintelligible. 

enunciation

noun
  • Mode of utterance or pronunciation, especially as regards fullness and distinctness or articulation. 

  • That which is enunciated or announced; words in which a proposition is expressed; formal declaration 

  • The act of enunciating, announcing, proclaiming, or making known; open attestation; declaration. 

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