Charismatic vs pi

Charismatic

noun
  • A member of the Charismatic Movement 

pi

noun
  • Piaster. 

  • The 16th letter of the Classical and Modern Greek alphabets and the seventeenth in Old Greek. 

  • An irrational and transcendental constant representing the ratio of the circumference of a Euclidean circle to its diameter; approximately 3.14159265358979323846264338327950; usually written π. 

  • pica (conventionally, 12 points = 1 pica, 6 picas ≈ 1 inch). 

  • Metal type that has been spilled, mixed together, or disordered. 

adj
  • Not part of the usual font character set; especially, non-Roman type or symbols as opposed to standard alphanumeric Roman type. 

  • Pious. 

verb
  • To spill or mix printing type. 

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