clinquant vs scintillation

clinquant

noun
  • Tinsel; glitter. 

  • Dutch metal. 

adj
  • Glittery; gleaming; sparkling; dressed in, or overlaid with, tinsel finery. 

scintillation

noun
  • A flash of light; a spark. 

  • The twinkling of a star or other celestial body caused by turbulence in the Earth's atmosphere. 

  • The flash of light produced by something (especially a phosphor) when it absorbs ionizing radiation. 

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