offal vs reliquiae

offal

noun
  • A dead body; carrion. 

  • That which is thrown away as worthless or unfit for use; refuse; rubbish. 

  • The internal organs of an animal, used as food. 

  • A by-product of the grain milling process, which may include bran, husks, etc. 

reliquiae

noun
  • Remains, especially of fossil organisms. 

  • Artifacts; things made or modified by human art. 

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