disperse vs thring

disperse

verb
  • To disseminate. 

  • To break up and disappear; to dissipate. 

  • To scatter in different directions. 

  • To separate rays of light, etc., according to wavelength; to refract. 

  • To distribute throughout. 

adj
  • Scattered or spread out. 

thring

verb
  • To thrust; crowd; press; squeeze. 

  • To push; to force one's way. 

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