leaf vs papilla

leaf

noun
  • Anything resembling the leaf of a plant. 

  • A flat section used to extend the size of a table. 

  • One of the teeth of a pinion, especially when small. 

  • The layer of fat supporting the kidneys of a pig, leaf fat. 

  • A Canadian person. 

  • The usually green and flat organ that represents the most prominent feature of most vegetative plants. 

  • A moveable panel, e.g. of a bridge or door, originally one that hinged but now also applied to other forms of movement. 

  • A sheet of any substance beaten or rolled until very thin. 

  • A foliage leaf or any of the many and often considerably different structures it can specialise into. 

  • A sheet of a book, magazine, etc (consisting of two pages, one on each face of the leaf). 

  • Tea leaves. 

  • In a tree, a node that has no descendants. 

  • Cannabis. 

verb
  • To divide (a vegetable) into separate leaves. 

  • To produce leaves; put forth foliage. 

papilla

noun
  • A small fleshy projection on a plant. 

  • Any of the small protuberances on the upper surface of the tongue often containing taste buds. 

  • A vascular process of connective tissue extending into and nourishing the root of a hair, feather, or developing tooth. 

  • Any of the vascular protuberances of the dermal layer of the skin extending into the epidermal layer and often containing tactile corpuscles. 

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