fount vs percolate

fount

noun
  • Something from which water flows. 

  • That from which something flows or proceeds; a source. 

  • A device from which poultry may drink. 

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 fount and percolate occurred in a corpus of books? (source: Google Ngram Viewer )