conjugal vs wedding

conjugal

adj
  • Of or relating to marriage, or the relationship of spouses; connubial. 

wedding

noun
  • Joining of two or more parts. 

  • Marriage ceremony; ritual officially celebrating the beginning of a marriage. 

verb
  • To participate in a wedding. 

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