fellowship vs trade union

fellowship

noun
  • A company of people that share the same interest or aim. 

  • A temporary position at an academic institution with limited teaching duties and ample time for research. 

  • A period of supervised, sub-specialty medical training in the United States and Canada that a physician may undertake after completing a specialty training program or residency. 

  • A feeling of friendship, relatedness or connection between people. 

  • A merit-based scholarship. 

verb
  • To join in fellowship; to associate with. 

  • To admit to fellowship, enter into fellowship with; to make feel welcome by showing friendship or building a cordial relationship. Now only in religious use. 

trade union

noun
  • An organization whose members belong to the same trade and that acts collectively to address common issues. 

  • labour union (Canada), labor union (North America) 

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