gulf vs harbor

gulf

noun
  • 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. 

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

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

harbor

noun
  • A sheltered expanse of water, adjacent to land, in which ships may anchor or dock, especially for loading and unloading. 

  • Any place of shelter. 

  • A mixing box for materials. 

  • A harbor, even if it is a little harbor, is a good thing, since adventurers come into it as well as go out, and the life in it grows strong, because it takes something from the world, and has something to give in return - Sarah Orne Jewett 

verb
  • To take refuge or shelter in a protected expanse of water. 

  • To drive (a hunted stag) to covert. 

  • To hold or persistently entertain in one's thoughts or mind. 

  • To provide a harbor or safe place for. 

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