spang vs yerk

spang

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

  • To set with bright points: star or spangle. 

  • To hitch; fasten. 

  • To strike or ricochet with a loud report 

  • To leap; spring. 

noun
  • A bound or spring; a leap. 

  • A span. 

yerk

verb
  • To throw or thrust with a sudden, smart movement; to kick or strike suddenly; to jerk. 

  • To bind or tie with a jerk. 

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