espousal vs hymeneal

espousal

noun
  • A wedding ceremony. 

  • Adoption of a plan, cause, or idea. 

  • A betrothal. 

hymeneal

noun
  • A hymn, song or poem in honour of a wedding. 

adj
  • Pertaining to marriage. 

  • Of or pertaining to the hymen. 

  • Pertaining to sexual relations. 

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