Sky vs Sunny

Sky

name

  • A unisex given name from English. 

  • A surname. 

Sunny

name

  • A unisex given name. 

  • A diminutive of the female given name Sunita 

  • A diminutive of the unisex given name Sundeep 

  • A surname. 

  • A diminutive of the male given name Sunil 

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