amaranth vs magenta

amaranth

noun
  • A red to purple azo dye used as a biological stain, and in some countries in cosmetics and as a food colouring. 

  • Any of various herbs of the genus Amaranthus. 

  • The characteristic purplish-red colour of the flowers or leaves of these plants. 

  • The seed of these plants, used as a cereal. 

magenta

noun
  • A vibrant light purple, purplish-red, reddish-purple, or pinkish purple colour obtained by mixing red and blue light (thus a secondary colour), but primary in the CMYK colour system used in printing. 

adj
  • having the colour of fuchsia, fuchsine, light purple. 

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