illumination vs light globe

illumination

noun
  • Splendour; brightness. 

  • Adornment of books and manuscripts with colored illustrations. See illuminate (transitive verb). 

  • Festive decoration of houses or buildings with lights. 

  • Enlightening influence; inspiration. 

  • The act of illuminating, or supplying with light; the state of being illuminated. 

light globe

noun
  • A light bulb. 

  • A nearly evacuated glass globe containing ionized gas (plasma), which produces lightning-like patterns when touched. 

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