erratum vs typo

erratum and typo both are nouns.

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

As nouns, erratum and typo are synonyms defined as:

erratum and typo: a mistake in printed matter resulting from mechanical failures of some kind

Other synonyms of erratum include literal, literal error, misprint, typographical error.

erratum (noun)	typo (noun)
a mistake in printed matter resulting from mechanical failures of some kind	a mistake in printed matter resulting from mechanical failures of some kind