errorous vs unwarranted

errorous

adj
  • Synonym of erroneous 

unwarranted

adj
  • Unjustified, inappropriate or undeserved. 

  • Not warranted; being without warrant, authority, or guaranty; unwarrantable. 

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