acolyte vs chela

acolyte

noun
  • An attendant, assistant or follower. 

  • One who has received the highest of the four minor orders in the Catholic Church, being ordained to carry the wine, water and lights at Mass. 

  • An altar server. 

chela

noun
  • A pupil or disciple, especially in Hinduism. 

  • A pincer-like claw of a crustacean or arachnid. 

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