gulf vs parity

gulf

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

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. 

parity

noun
  • A set with the property of having all of its elements belonging to one of two disjoint subsets, especially a set of integers split in subsets of even and odd elements. 

  • The number of delivered pregnancies reaching viable gestational age, usually between 20-28 weeks 

  • The number of times a sow has farrowed. 

  • Symmetry of interactions under spatial inversion. 

  • In reversi, the last move within a given sector of the board. 

  • The classification of an element of a set with parity into one of the two sets. 

  • Equality; comparability of strength or intensity. 

  • The count of one bits in a value, reduced to even or odd or zero or one. 

  • Resemblance; analogy. 

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