mushroom vs seed pit

mushroom

noun
  • A fungus producing such fruiting bodies. 

  • A concrete column with a thickened portion at the top, used to support a slab. 

  • Any of the fleshy fruiting bodies of fungi typically produced above ground on soil or on their food sources (such as decaying wood). 

  • Something that grows very quickly or seems to appear suddenly. 

  • Champignon or Agaricus bisporus, the mushroom species most commonly used in cooking. 

  • Any of the mushroom-shaped pegs in bar billiards. 

adj
  • Having characteristics like those of a mushroom, for example in shape or appearance, speed of growth, or texture. 

verb
  • To form the shape of a mushroom when striking a soft target. 

  • To form the shape of a mushroom. 

  • To grow quickly to a large size. 

  • To gather mushrooms. 

seed pit

noun
  • A single seed in the center of a cherry, peach, plum, olive, avocado or other fruit. 

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