typo vs literal error

typo and literal error both are nouns.

Word	Noun	Adjective	Verb	Adverb
typo	Yes	No	No	No
literal error	Yes	No	No	No

As nouns, typo and literal error are synonyms defined as:

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

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

typo (noun)	literal error (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