potlatch vs wassail

potlatch

noun
  • A communal meal to which guests bring dishes to share; a potluck. 

  • A ceremony amongst certain indigenous peoples of the Pacific Northwest in which gifts are bestowed upon guests and personal property is destroyed in a show of generosity and wealth. 

verb
  • To carry out or take part in a potlatch ceremony. 

  • To give; especially, to give as a gift during a potlatch ceremony. 

wassail

noun
  • A toast to health, usually on a festive occasion. 

  • The beverage served during a wassail, especially one made of ale or wine flavoured with spices, sugar, roasted apples, etc. 

  • A festive or drinking song or glee. 

  • Revelry. 

verb
  • To go from house to house at Christmastime, singing carols. 

  • To toast, to drink to the health of another. 

  • To drink wassail. 

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