Jehovist vs Yahwist

Jehovist

noun
  • A member of the Jehovah's Witnesses. 

  • One who maintains that the vowel points of the word Jehovah, in Hebrew, are the proper vowels of that word; opposed to adonist. 

  • Anyone who uses the word "Jehovah" as the name of God in worship. 

name
  • The writer of the passages of the Old Testament, especially those of the Pentateuch, in which the Supreme Being is styled Jehovah. See Elohist. 

Yahwist

noun
  • A follower of the Iron Age religion of Yahwism. 

adj
  • Of or pertaining to Yahwism (the Iron Age religion). 

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