madder vs red lemonade

madder

noun
  • A deep reddish purple colour, like that of the dye. 

  • The root of the plant, used as a medicine or a dye. 

  • A dye made from the plant. 

  • A herbaceous plant, Rubia tinctorum, native to Asia, cultivated for a red-purple dye (alizarin) obtained from the root. 

adj
  • Of a deep reddish purple colour, like that of the dye. 

red lemonade

noun
  • Lemonade coloured with natural food colouring, giving it a red appearance and a slightly sweeter taste. 

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