mistiming vs misdating

mistiming and misdating both are nouns.

Word	Noun	Adjective	Verb	Adverb
mistiming	Yes	No	No	No
misdating	Yes	No	No	No

As nouns, mistiming and misdating are synonyms defined as:

mistiming and misdating: something located at a time when it could not have existed or occurred

Other synonyms of mistiming include anachronism.

mistiming (noun)	misdating (noun)
something located at a time when it could not have existed or occurred	something located at a time when it could not have existed or occurred