party favor vs thanksgiving

party favor

noun
  • A small gift given to a guest at a party, as a souvenir. 

  • A narcotic, particularly an amphetamine, to be shared at a gathering. 

thanksgiving

noun
  • A public celebration in acknowledgement of divine favour. 

  • An expression of gratitude. 

  • A short prayer said at meals; grace, a benediction. 

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