emphasis vs importance

emphasis

noun
  • 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. 

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

importance

noun
  • significance or prominence. 

  • The quality or condition of being important or worthy of note. 

  • Something of importance. 

  • personal status or standing. 

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