conjoin vs espouse

conjoin

verb
  • To marry. 

  • To combine two sets, conditions, or expressions by a logical AND; to intersect. 

  • To unite, to join, to league. 

  • To join together; to unite; to combine. 

  • To join as coordinate elements, often with a coordinating conjunction, such as coordinate clauses. 

noun
  • A reassembled bone, stone or ceramic artifact. 

  • One of the words or phrases that are coordinated by a conjunction. 

espouse

verb
  • To become/get married to. 

  • To accept, support, or take on as one’s own (an idea or a cause). 

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