leaf vegetable vs tossed salad

leaf vegetable

noun
  • The leaf of a plant used as an edible vegetable, such as lettuce, spinach, or rocket. 

tossed salad

noun
  • A salad made by tossing greens in a dressing, often including other vegetables like tomato and cucumber. 

  • An act of anilingus. 

How often have the words leaf vegetable and tossed salad occurred in a corpus of books? (source: Google Ngram Viewer )