plunk vs spang

plunk

verb
  • To land suddenly or heavily; to plump down. 

  • To pluck and quickly release (a musical string). 

  • To be a truant from (school). 

  • To intentionally hit the batter with a pitch. 

  • To croak. 

  • To drop or throw something heavily onto or into something else, so that it makes a dull sound. 

noun
  • The dull thud of something landing on a surface. 

spang

verb
  • To leap; spring. 

  • To set with bright points: star or spangle. 

  • To hitch; fasten. 

  • To cause to spring; set forcibly in motion; throw with violence. 

  • To strike or ricochet with a loud report 

noun
  • A bound or spring; a leap. 

  • A span. 

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