asterism vs glow

asterism

noun
  • A star-shaped figure exhibited by some crystals by reflected light (as in a star sapphire) or by transmitted light (as in some mica). 

  • A rarely used typographical symbol (⁂, three asterisks arranged in a triangle), used to call attention to a passage or to separate subchapters in a book. 

  • An unofficial constellation (small group of stars that forms a visible pattern). 

glow

noun
  • The light given off by a glowing object. 

  • The condition of being passionate or having warm feelings. 

  • The brilliance or warmth of color in an environment or on a person (especially one's face). 

verb
  • To be related to or part of an (chiefly online) undercover sting operation, especially by American federal agencies. 

  • to create a threatening online post that may involve violence, and look suspicious enough to attract a police investigation. 

  • To shine brightly and steadily. 

  • To emit light as if heated. 

  • To gaze especially passionately at something. 

  • to expose someone to the authorities. 

  • To display intense emotion. 

  • To make hot; to flush. 

  • To feel hot; to have a burning sensation, as of the skin, from friction, exercise, etc.; to burn. 

  • To radiate thermal heat. 

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