trine vs trinity

trine

noun
  • A group of three things. 

  • An aspect of two astrological bodies when 120° apart. 

adj
  • Triple; threefold. 

  • Denoting the aspect of two celestial bodies which are 120° apart. 

verb
  • To put in the aspect of a trine. 

trinity

noun
  • A group or set of three people or things; three things combined into one. 

  • The state of being three; independence of three things; things divided into three. 

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