gush vs tidal wave

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. 

tidal wave

noun
  • A sudden and powerful surge. 

  • A large, sudden, and disastrous wave of water caused by a tremendous disturbance in the ocean; a tsunami. (See Usage notes below.) 

  • A crest of ocean water resulting from tidal forces. 

  • A large, sudden inundation of water from the storm surge, or waves of that surge; a sudden surge of river water. 

  • A large and sudden rise and fall in the tide. 

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