Jackie vs Jacqui

Jackie

name

  • A diminutive of the female given name Jacqueline or Jacquelyn. 

  • A diminutive of the male given name Jack, Jacques (and its cognates) or John. 

Jacqui

name

  • A diminutive of the female given name Jacqueline. 

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