relic vs reliquiae

relic

noun
  • That which remains; that which is left after loss or decay; a remaining portion. 

  • A part of the body of a saint, or an ancient religious object, kept for veneration. 

  • Something old and outdated, possibly kept for sentimental reasons. 

verb
  • To cause (an object) to appear old or worn, to distress. 

reliquiae

noun
  • Remains, especially of fossil organisms. 

  • Artifacts; things made or modified by human art. 

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