percolate vs unplug

percolate

verb
  • To drain or seep through a porous substance. 

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

  • To make (coffee) in a percolator. 

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

noun
  • A liquid that has been percolated. 

unplug

verb
  • To remove a blockage from (especially a water pipe or drain). 

  • To disconnect from a supply, especially an electrical socket. 

  • To temporarily disconnect from worldly experiences. 

  • To stop using electronic devices, especially for relaxation or to reduce stress. 

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