bema vs monstrance

bema

noun
  • Raised area of worship in a synagogue upon which rests the Holy Ark containing Scrolls of Torah. 

  • A platform from which speakers addressed an assembly. 

monstrance

noun
  • An ornamental, often precious receptacle, either open or with a transparent cover, in which the sacramental bread (consecrated host) is placed for Eucharistic adoration. 

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