emphasis vs lethargy

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. 

lethargy

noun
  • A condition characterized by extreme fatigue or drowsiness, deep unresponsiveness, or prolonged sleep patterns. 

  • A state of extreme torpor or apathy, especially with lack of emotion, energy or enthusiasm; (loosely) sluggishness, laziness. 

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