confederate vs join

confederate

verb
  • To combine in a confederacy. 

adj
  • of, relating to, or united in a confederacy 

  • banded together; allied. 

noun
  • A member of a confederacy. 

  • An accomplice in a plot. 

  • An actor who participates in a psychological experiment pretending to be a subject but in actuality working for the researcher. 

join

verb
  • To enter into association or alliance, to unite in a common purpose. 

  • To unite in marriage. 

  • To produce an intersection of data in two or more database tables. 

  • To come into the company of. 

  • To come together; to meet. 

  • To accept, or engage in, as a contest. 

  • To become a member of. 

  • To connect or combine into one; to put together. 

noun
  • An intersection of data in two or more database tables. 

  • The act of joining something, such as a network. 

  • The lowest upper bound, an operation between pairs of elements in a lattice, denoted by the symbol ∨. 

  • An intersection of piping or wiring; an interconnect. 

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