fissure vs gulf

fissure

noun
  • A groove, deep furrow, elongated cleft or tear between body parts or in the substance of an organ; a sulcus. 

  • A long, narrow crack or opening made by breaking or splitting, especially in rock or earth. 

  • A break or slit in tissue usually at the junction of skin and mucous membrane. 

  • A state of incompatibility or disagreement. 

verb
  • To split, forming fissures. 

gulf

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

  • 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 large deposit of ore in a lode. 

  • A wide interval or gap; a separating space. 

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

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

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