chroma vs varnish

chroma

noun
  • The colorfulness relative to the brightness of a similarly illuminated area 

  • The aspect of a colour's hue that depends on the amount of white or black in it; saturation 

  • A note in a chromatic scale 

varnish

noun
  • Anything resembling such a paint; glossy appearance. 

  • A type of paint with a solvent that evaporates to leave a hard, transparent, glossy film. 

  • A deceptively showy appearance. 

verb
  • To make something superficially or deceptively attractive 

  • To gloss over a defect. 

  • To cover up with varnish. 

  • To apply varnish. 

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