illumination vs lamppost

illumination

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

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

  • Festive decoration of houses or buildings with lights. 

  • Enlightening influence; inspiration. 

  • Splendour; brightness. 

lamppost

noun
  • The pole that holds up a light so it can illuminate a wide area, such as holds up a streetlight. 

  • A tall, thin person. 

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