bema vs musalla

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. 

musalla

noun
  • A place for praying (e.g. outside a mosque); a praying room. 

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