error vs erroneousness

error and erroneousness both are nouns.

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

As nouns, error and erroneousness are synonyms defined as:

error (noun)	erroneousness (noun)
a wrong action attributable to bad judgment or ignorance or inattention	inadvertent incorrectness
(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