camomile vs sunflower

camomile

noun
  • Any of several other similar plants. (See below) 

  • Matricaria recutita (formerly known as Matricaria chamomilla), German chamomile or Hungarian chamomile, with fragrant flowers used for tea, and as an herbal remedy. 

  • Chamaemelum nobile (formerly Anthemis nobilis), English chamomile or Roman chamomile, a ground cover with fragrant foliage. 

sunflower

noun
  • A bright yellow, like that of the flower petals. 

  • Any flat, radially symmetric organic compound such as coronene 

  • Any plant of the genus Helianthus, so called probably from the form and color of its floral head, having the form of a large disk surrounded by yellow ray flowers. 

  • The commonly cultivated species, Helianthus annuus, a native of America. 

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