overswell vs skyrocket

overswell

verb
  • To cause (something) to be too swollen or large; to become too swollen or large. 

  • To swell or rise above (something, especially the rim of a container, the sides of something hollow, etc.). 

noun
  • An excessive or sudden increase or flood (of something). 

skyrocket

verb
  • To cause to increase suddenly and extremely. 

  • To rise or increase suddenly and extremely; to shoot up; to surge or spike. 

  • The shortage caused prices to skyrocket. 

noun
  • A rebuke, a scolding. 

  • pocket. 

  • A type of firework that uses a solid rocket engine to rise quickly into the sky where it emits a variety of effects such as stars, bangs, crackles, etc. 

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