Ram vs Zodiac

Ram

name
  • The constellation Aries. 

noun
  • someone connected with Derby County Football Club, as a fan, player, coach etc. 

Zodiac

name
  • a family of constellations that are visible in the apparent path of the Sun viewed from the Earth over the year 

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