archpriest vs godhead

archpriest

noun
  • An honorific title applied to a priest who has a specific function. 

  • The highest rank given to a married priest. 

godhead

noun
  • Divinity or godhood, divine essence or nature. 

  • Any deity or idol. 

  • God. 

  • An admired or influential person or entity. 

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