percolate vs swill

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. 

swill

noun
  • Any disgusting or distasteful liquid. 

  • Inexpensive beer or alcohol. 

  • A mixture of solid and liquid food scraps fed to pigs etc; especially kitchen waste for this purpose. 

  • A badly-thrown pass. 

  • Anything disgusting or worthless. 

  • A large quantity of liquid drunk at one swallow. 

verb
  • To move (a liquid or liquid-filled vessel) in a circular motion. 

  • To wash (something) by flooding with water. 

  • To feed swill to (pigs). 

  • To drink (or, rarely, eat) greedily or to excess. 

  • To move around or over a surface. 

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