Silver vs Smiley

Silver

name
  • An English surname originating as an occupation for a silversmith or a rich man, or for someone having silvery gray hair or living by a silvery brook. 

  • A unisex given name from English from the metal, or transferred from the surname. 

  • A surname from German. 

Smiley

name
  • A Scottish surname transferred from the nickname, perhaps originally a byname for a happy, smiling person. 

  • A village in Saskatchewan, Canada. 

  • An unincorporated community in Virginia, United States. 

  • A city in Texas, United States. 

noun
  • Synonym of Samoyed (breed of dog) 

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