phenomenon vs spectacle

phenomenon

noun
  • A fact or event considered very unusual, curious, or astonishing by those who witness it. 

  • An experienced object whose constitution reflects the order and conceptual structure imposed upon it by the human mind (especially by the powers of perception and understanding). 

  • A thing or being, event or process, perceptible through senses; or a fact or occurrence thereof. 

  • A knowable thing or event (eg by inference, especially in science) 

  • A kind or type of phenomenon (sense 1 or 2) 

  • A wonderful or very remarkable person or thing. 

  • Appearance; a perceptible aspect of something that is mutable. 

spectacle

noun
  • An embarrassing or unedifying scene or situation. 

  • A frame with different coloured lenses on a semaphore signal through which light from a lamp shines at night, often a part of the signal arm. 

  • The brille of a snake. 

  • An exciting or extraordinary scene, exhibition, performance etc. 

  • An optical instrument consisting of two lenses set in a light frame, worn to assist sight, or to protect the eyes from bright light. 

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