adjudicate vs asseverate

adjudicate

verb
  • To act as a judge. 

  • To settle a legal case or other dispute. 

  • To seize, or convey, a debtor's estate as security. 

asseverate

verb
  • To assert earnestly, seriously, and confidently 

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