celery vs greens

celery

noun
  • The stalks of this herb eaten as a vegetable. 

  • A European herb (Apium graveolens) of the carrot family. 

  • A yellow-green colour, like that of a celery. 

greens

noun
  • Leaves and leaf-like parts of edible plants when eaten as vegetables or in salads. 

  • Leafy plants that are used for decoration. 

  • The green dress uniform of the United States Marine Corps. 

  • Green vegetables; edible plants or plant parts that contain chlorophyll. 

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