enunciation vs rheme

enunciation

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

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

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

rheme

noun
  • A sign that represents its object in respect of quality and so, in its signified interpretant, is represented as a character or mark; sumisign. 

  • The part of a sentence that provides new information regarding the current theme. 

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