synthesis vs union

synthesis

noun
  • The uniting of ideas into a sentence. 

  • The reaction of elements or compounds to form more complex compounds. 

  • The combination of thesis and antithesis. 

  • The reunion of parts that have been divided. 

  • An apt arrangement of elements of a text, especially for euphony. 

  • Creation of a complex waveform by summation of simpler waveforms. 

  • The formation of something complex or coherent by combining simpler things. 

  • A deduction from the general to the particular. 

  • In intelligence usage, the examining and combining of processed information with other information and intelligence for final interpretation. 

union

noun
  • The act of uniting or joining two or more things into one. 

  • An affiliation of several parishes for joint support and management of their poor; also the jointly-owned workhouse. 

  • That which is united, or made one; something formed by a combination or coalition of parts or members; a confederation; a consolidated body; a league. 

  • A data structure that can store any of various types of item, but only one at a time. 

  • A trade union; a workers' union. 

  • An association of students at a university for social and/or political purposes; also in some cases a debating body. 

  • A joint or other connection uniting parts of machinery, such as pipes. 

  • The act or state of marriage. 

  • The set containing all of the elements of two or more sets. 

  • The state of being united or joined; a state of unity or harmony. 

adj
  • Belonging to, represented by, or otherwise pertaining to a labour union. 

verb
  • To combine sets using the union operation. 

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