antiphonal vs demonstrative

antiphonal

noun
  • An antiphon; a piece sung or chanted in an antiphonal manner. 

  • A book of antiphons or anthems sung or chanted at a liturgy; an antiphonary or antiphoner. 

adj
  • Characterized by antiphones or antiphony; incorporating alternate, or responsive singing by a choir split into two parts. 

demonstrative

noun
  • A demonstrative adjective. 

  • A demonstrative pronoun. 

adj
  • given to open displays of emotion 

  • that specifies the thing or person referred to 

  • that serves to demonstrate, show or prove 

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