merchant vs relationshipper

merchant

noun
  • Someone who is noted for a stated type of activity or behaviour. 

  • A trading vessel; a merchantman. 

  • A person who traffics in commodities for profit. 

  • The owner or operator of a retail business. 

verb
  • As a resident of a region, to buy goods from a non-resident and sell them to another non-resident. 

relationshipper

noun
  • A person who supports a romantic or sexual relationship between fictional characters or real people. 

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