emphasis vs enunciation

emphasis

noun
  • Prominence given to a syllable or words, by raising the voice or printing in italic or underlined type. 

  • Special attention or prominence given to something. 

  • The phonetic or phonological feature that distinguishes emphatic consonants from other consonants. 

  • Special weight or forcefulness given to something considered important. 

  • The use of boldface, italics, or other such formatting to highlight text. 

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 emphasis and enunciation occurred in a corpus of books? (source: Google Ngram Viewer )