Jehovah vs the Redeemer

Jehovah

name

  • The personal name of God in the Hebrew Scriptures; in Hebrew, יהוה (YHVH) 

noun

  • A Jehovah's Witness. 

the Redeemer

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