emphasis vs influence

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. 

influence

noun
  • A person or thing exerting such power or action. 

  • Electrostatic induction. 

  • The power to affect, control or manipulate something or someone; the ability to change the development of fluctuating things such as conduct, thoughts or decisions. 

  • An element believed to determine someone's character or individual tendencies, caused by the position of the stars and planets at the time of one's birth. 

  • An action exerted by a person or thing with such power on another to cause change. 

verb
  • To exert, make use of one's influence. 

  • To have an effect on by using gentle or subtle action; to exert an influence upon; to modify, bias, or sway; to persuade or induce. 

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