cameo vs phylactery

cameo

noun
  • A piece of jewelry, etc., carved in relief. 

  • A single very brief appearance, especially by a prominent celebrity in a movie or song. 

verb
  • To appear in a cameo role. 

phylactery

noun
  • Any small object worn for its magical or supernatural power; an amulet or charm. 

  • Either of the two small leather cases, containing biblical scrolls, worn by Jewish men at morning prayer; the tefilla. 

  • A case in which (Christian) relics were preserved. 

  • An enspelled object used (by such as a lich) to contain and protect the owner's soul. 

  • A speech scroll, an illustrative device depicting speech, song or other sound as if written on a scroll. 

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