Frommis- +‎credit.

• IPA^(key):/mɪsˈkɹɛdɪt/

miscredit (third-person singular simple presentmiscredits,present participlemiscrediting,simple past and past participlemiscredited)

1. (transitive) Todiscredit.(Can we add anexample for this sense?)
2. (transitive) Tocredit incorrectly.
   • 2008, Steven Jay Schneider,One Thousand One Movies You Must See Before You Die:

     This unfortunately hasn't prevented many commentators from continuing tomiscredit Flaherty as a codirector.

miscredit (uncountable)

1. discredit

• creditism,misdirect