amalgamate vs confederate

amalgamate

adj
  • Coalesced; united; combined. 

verb
  • To combine (free groups) by identifying respective isomorphic subgroups. 

  • To merge, to combine, to blend, to join. 

  • To make an alloy of a metal and mercury. 

confederate

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. 

verb
  • To combine in a confederacy. 

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