misdating vs mistiming

misdating and mistiming both are nouns.

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

As nouns, misdating and mistiming are synonyms defined as:

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

Other synonyms of misdating include anachronism.

misdating (noun)	mistiming (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