gush vs inundation

gush

noun
  • A sudden rapid outflow. 

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

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

  • To ejaculate during orgasm. 

  • To flow forth suddenly, in great volume. 

inundation

noun
  • An overflowing or superfluous abundance; a flood; a great influx 

  • The act of inundating; an overflow; a flood; a rising and spreading of water over grounds. 

  • The state of being inundated; flooding 

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