error vs corrigendum

error and corrigendum both are nouns.

Word	Noun	Adjective	Verb	Adverb
error	Yes	No	No	No
corrigendum	Yes	No	No	No

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

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

error (noun)	corrigendum (noun)
a wrong action attributable to bad judgment or ignorance or inattention	a printer's error; to be corrected
(baseball) a failure of a defensive player to make an out when normal play would have sufficed
inadvertent incorrectness
departure from what is ethically acceptable
a misconception resulting from incorrect information
part of a statement that is not correct
(computer science) the occurrence of an incorrect result produced by a computer