duly vs unwarrantedly

duly

adv
  • Regularly; at the proper time. 

  • In a due, fit, or becoming manner; as it ought to be; properly. 

unwarrantedly

adv
  • In an unwarranted manner; without warrant; unjustifiably. 

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