of color vs rainbow

of color

adj
  • Belonging to a category of people with mixed black and white ancestry in the Americas in the 18th and early 19th centuries. 

  • Nonwhite; of a race other than white, for example black. 

rainbow

adj
  • Made up of several races or ethnicities, or (more broadly) of several cultural or ideological factions. 

  • Multicolored. 

  • LGBT. 

  • Composed entirely of different suits. 

  • Of or pertaining to rainbow tables. 

verb
  • To brighten with, or as with, a rainbow; to pattern with the colours of the rainbow. 

  • To take the appearance of a rainbow. 

  • In climbing gyms where the rocks to climb are colored to indicate suggested climbing routes, to climb rocks of different colors, thereby ignoring such routes. 

noun
  • A curveball, particularly a slow one. 

  • In Texas hold 'em or Omaha hold 'em, a flop that contains three different suits. 

  • Any prismatic refraction of light showing a spectrum of colours. 

  • A multicoloured arch in the sky, produced by prismatic refraction of light within droplets of rain in the air. 

  • A wide assortment; a varied multitude. 

  • An illusion, mirage. 

  • Rainbow trout. 

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