misdating vs anachronism

misdating and anachronism both are nouns.

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

As nouns, misdating and anachronism are synonyms defined as:

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

Other synonyms of misdating include mistiming.

misdating (noun)	anachronism (noun)
something located at a time when it could not have existed or occurred	an artifact that belongs to another time
	a person who seems to be displaced in time; who belongs to another age
	something located at a time when it could not have existed or occurred