percolate vs squelch

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. 

squelch

verb
  • To walk or step through a substance such as mud. 

  • To suppress the unwanted hiss or static between received transmissions by adjusting a threshold level for signal strength. 

  • To halt, stop, eliminate, stamp out, or put down, often suddenly or by force. 

  • To make a sucking, splashing noise as when walking on muddy ground. 

noun
  • A squelching sound. 

  • A kind of electronic beat or sound mainly used in acid house and related music genres. 

  • The suppression of the unwanted hiss or static between received transmissions by adjusting the gain of the receiver. 

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