colored vs polychromic

colored

adj
  • Having prominent colors; colorful. 

  • Having a color. 

  • Having a particular color or kind of color. 

  • Biased; pervasively (but potentially subtly) influenced in a particular way. 

  • Designated for use by colored people (in either the US or South African sense). 

  • Belonging to a multiracial ethnic group or category, having ancestry from more than one of the racial groups of southern Africa (black, white, and Asian). (Under apartheid, used as a metadescription for mixed-race people and peoples such as the Cape Coloureds.) 

noun
  • A colored person; a person descended from more than one of the racial groups of Southern Africa (black white, Asian, Austronesian). 

  • A colored article of clothing. 

polychromic

adj
  • Polychromatic; many-coloured. 

  • Pertaining to, or designating, any one of several acids (known only in their salts) which contain more than one atom of chromium. 

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