conjunction vs synchronism

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 

synchronism

noun
  • A temporal relationship between events. 

  • The tabular arrangement of contemporary events etc. in history. 

  • The state of being synchronous. 

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