Danna vs Ish

Danna

name
  • A female given name from Hebrew. 

  • An American surname from French. 

Ish

name
  • A diminutive of the female given name Ishani. 

  • A diminutive of the male given name Ishmael. 

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