Hero vs Lyceum

Hero

name
  • A female given name from Ancient Greek of English-speakers. 

  • Any of a number of legendary men and women, including the priestess loved by Leander. 

Lyceum

name
  • An ancient Greek temple in Athens dedicated to Apollo Lyceus. 

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