bema vs sacrarium

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. 

sacrarium

noun
  • The area surrounding the altar of a Christian church; the sanctuary or piscina. Sometimes specifically a drain directly to the earth, perhaps including reference to a basin, for washing vessels from consecration. 

  • In Ancient Rome, a place where sacred objects were kept, either in a temple (the adytum) or in a house (holding the penates) 

  • The complex sacrum of any bird. 

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