mistake vs erratum

mistake and erratum both are nouns.

Word	Noun	Adjective	Verb	Adverb
mistake	Yes	No	Yes	No
erratum	Yes	No	No	No

As nouns, erratum is a hyponym of mistake; that is, erratum is a word with a more specific, narrower meaning than mistake:

mistake: part of a statement that is not correct
erratum: a mistake in printed matter resulting from mechanical failures of some kind

Other hyponyms of mistake include corrigendum, literal, literal error, misprint, typo, typographical error.

mistake (noun)	erratum (noun)
a wrong action attributable to bad judgment or ignorance or inattention	a mistake in printed matter resulting from mechanical failures of some kind
an understanding of something that is not correct
part of a statement that is not correct

mistake (verb)	erratum (verb)
to make a mistake or be incorrect
identify incorrectly