difference vs gulf

difference

noun
  • A characteristic of something that makes it different from something else. 

  • The result of a subtraction; sometimes the absolute value of this result. 

  • A disagreement or argument. 

  • An addition to a coat of arms to distinguish two people's bearings which would otherwise be the same. See augmentation and cadency. 

  • The quality of being different. 

  • The quality or attribute which is added to those of the genus to constitute a species; a differentia. 

  • The set of elements that are in one set but not another ( scriptstyle A◌̅B). 

  • Significant change in or effect on a situation or state. 

  • A Boolean operation which is true when the two input variables are different but is otherwise false; the XOR operation ( scriptstyle A◌̅B+◌̅AB). 

gulf

noun
  • A difference, especially a large difference, between groups. 

  • A portion of an ocean or sea extending into the land; a partially landlocked sea 

  • The bottom part of a list of those awarded a degree, for those who have only just passed. 

  • That which swallows irretrievably; a whirlpool; a sucking eddy. 

  • A hollow place in the earth; an abyss; a deep chasm or basin. 

  • A large deposit of ore in a lode. 

  • A wide interval or gap; a separating space. 

verb
  • To award a degree to somebody who has only just passed sufficiently. 

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