concomitance vs conjunction

concomitance

noun
  • occurrence or existence together or in connection with one another, coexistence 

  • A concomitant. 

  • The Roman Catholic doctrine of the existence of the entire body of Christ in the Eucharist, under each element, so that the body and blood are both received by communication in one kind only. 

conjunction

noun
  • Cooccurrence; coincidence. 

  • A word used to join other words or phrases together into sentences. The specific conjunction used shows how the two joined parts are related. 

  • The act of joining, or condition of being joined. 

  • The alignment of two bodies in the solar system such that they have the same longitude when seen from Earth. 

  • An aspect in which planets are in close proximity to one another. 

  • The proposition resulting from the combination of two or more propositions using the ∧ ( and ) operator. 

  • A place where multiple things meet 

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