emphasis vs substance

emphasis

noun
  • Special weight or forcefulness given to something considered important. 

  • Special attention or prominence given to something. 

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

  • 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. 

substance

noun
  • Substantiality; solidity; firmness. 

  • Physical matter; material. 

  • Material possessions; estate; property; resources. 

  • Hypostasis. 

  • Drugs (illegal narcotics) 

  • The essential part of anything; the most vital part. 

  • A form of matter that has constant chemical composition and characteristic properties. 

verb
  • To give substance to; to make real or substantial. 

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