exacta vs perfecta

exacta

noun
  • A bet in which the bettor must correctly pick the two runners who finish first and second, in the correct order. 

perfecta

noun
  • A kind of bet wherein the first and second-place finishers must be predicted in the correct order. 

  • A female perfect (Cathar leader). 

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