bridesmaid vs matron of honor

bridesmaid

noun
  • A woman who attends a bride during her wedding ceremony, as part of the main wedding party. 

  • A person or team that perennially finishes well, but never first. 

verb
  • To act as a bridesmaid for; to attend a bride during her wedding ceremony. 

matron of honor

noun
  • A married woman who assists the bride at a wedding. 

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