plead vs shnor

plead

verb
  • To beg, beseech, or implore. 

  • To present (an argument or a plea), especially in a legal case. 

  • To offer by way of excuse. 

  • To discuss by arguments. 

shnor

verb
  • To beg or wheedle. 

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