fitness center vs lyceum

fitness center

noun
  • A gym or fitness club. 

lyceum

noun
  • A public hall designed for lectures, readings, or concerts. 

  • A school, especially European, at a stage between elementary school and college, a lycée. 

  • An association for literary improvement. 

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