gush vs percolate

gush

verb
  • To send (something) flowing forth suddenly in great volume. 

  • To make an excessive display of enthusiasm, praise, or sentiment. 

  • To ejaculate during orgasm. 

  • To flow forth suddenly, in great volume. 

noun
  • A sudden rapid outflow. 

percolate

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. 

noun
  • A liquid that has been percolated. 

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