bema vs earpiece

bema

noun
  • A platform from which speakers addressed an assembly. 

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

earpiece

noun
  • A speaker placed inside or held near to the ear. 

  • The arm on a pair of glasses that hooks over the ear to hold them in place. 

  • A receiver of a telephone to hold near to one's ear. 

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