graffiti vs varnish

graffiti

noun
  • Drawings or words drawn on a surface in a public place, usually made without authorization. 

  • Informal inscriptions, figure drawings, etc., as opposed to official inscriptions. 

verb
  • To mark a surface with such images. 

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 graffiti and varnish occurred in a corpus of books? (source: Google Ngram Viewer )