holy vs seraph

holy

adj
  • Revered in a religion. 

  • Used as an intensifier in various interjections. 

  • Morally perfect or flawless, or nearly so. 

  • Separated or set apart from (something unto something or someone else). 

  • Set apart or dedicated for a specific purpose, or for use by a single entity or person. 

  • Dedicated to a religious purpose or a god. 

intj
  • An expression of astonishment and awe. 

seraph

noun
  • A six-winged angel; one of the highest choir or order of angels in Christian angelology, ranked above cherubim, and below God. They are the 5th-highest order of angels in Jewish angelology. A detailed description can be found at the beginning of Isaiah chapter 6. 

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