memorabilia vs reliquary

memorabilia

noun
  • Objects that are connected to or remind their owner of past events. 

  • Things worth remembering: noteworthy points. 

reliquary

noun
  • An object that sustains the memory of past people or events. 

  • A container to hold or display religious relics. 

  • A person who owes a balance. 

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