shun vs thring

shun

verb
  • To shove, push. 

  • To screen, hide. 

  • To escape (a threatening evil, an unwelcome task etc). 

  • To avoid, especially persistently; ostracize. 

thring

verb
  • To push; to force one's way. 

  • To thrust; crowd; press; squeeze. 

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