daisy vs pigmentation

daisy

noun
  • Many other flowering plants of various species, mostly among the asterids. 

  • A boot or other footwear. 

  • A wild flowering plant Bellis perennis of the Asteraceae family, with a yellow head and white petals 

pigmentation

noun
  • Coloration of human, plant or animal tissue, especially by pigment. 

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