gush vs spasm

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. 

spasm

noun
  • A sudden and temporary burst of energy, activity, or emotion. 

  • A sudden, involuntary contraction of a muscle, a group of muscles, or a hollow organ. 

  • A violent, excruciating seizure of pain. 

verb
  • To produce and undergo a spasm or series of spasms. 

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