typographical error vs literal error

typographical error and literal error both are nouns.

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

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

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

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

typographical error (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