papilla vs weed

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. 

weed

noun
  • Any plant unwanted at the place where and at the time when it is growing. 

  • Tobacco. 

  • Underbrush; low shrubs. 

  • A sudden illness or relapse, often attended with fever, which befalls those who are about to give birth, are giving birth, or have recently given birth or miscarried or aborted. 

  • Something unprofitable or troublesome; anything useless. 

  • A puny person; one who has little physical strength. 

  • Cannabis. 

  • Lymphangitis in a horse. 

  • A weak horse, which is therefore unfit to breed from. 

verb
  • To systematically remove materials from a library collection based on a set of criteria. 

  • To remove unwanted vegetation from a cultivated area. 

  • To pilfer the best items from a collection. 

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