concoction vs percolate

concoction

noun
  • A mixture prepared in such a way. 

  • The preparing of a medicine, food or other substance out of many ingredients. 

  • Something made up, an invention. 

percolate

noun
  • A liquid that has been percolated. 

verb
  • To pass a liquid through a porous substance; to filter. 

  • To make (coffee) in a percolator. 

  • To drain or seep through a porous substance. 

  • To spread slowly or gradually; to slowly become noticed or realised. 

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