unconfirmed vs unwarranted

unconfirmed

adj
  • Not having undergone the ritual of confirmation. 

  • Not finally established, settled or confirmed. 

unwarranted

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

  • Unjustified, inappropriate or undeserved. 

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