glint vs scintillate

glint

verb
  • To cause to flash or gleam; to reflect. 

  • To flash or gleam briefly. 

  • To glance; to peep forth, as a flower from the bud; to glitter. 

noun
  • A short flash of light. 

scintillate

verb
  • To give off sparks; to shine as if emanating sparks; to twinkle or glow. 

  • Of a star or other celestial body: to vary rapidly in brightness; to twinkle. 

  • Especially of a phosphor: to emit a flash of light upon absorbing ionizing radiation. 

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