amanuensis vs scrivener

amanuensis

noun
  • A clerk, secretary or stenographer, or scribe. 

  • One employed to take dictation, or copy manuscripts. 

scrivener

noun
  • A professional writer; one whose occupation is to draw contracts or prepare writings. 

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