Cerise vs Sapphire

Cerise

name

  • A female given name from French. 

  • A surname from the given name. 

Sapphire

name

  • A female given name from English from the precious stone. 

noun

  • A stereotype of an aggressive and domineering black woman. 

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