Strong's Concordance

Original word: ἀγνόημα
Transliteration: agnoéma
Definition (short): ignorance
Definition (full): a sin of ignorance

NAS Exhaustive Concordance

Word Origin: from agnoeó
Definition: a sin of ignorance
NASB Translation: ignorance (1), sins (1).
NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries.
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Strong's Exhaustive Concordance

From agnoeo; a thing ignored, i.e. Shortcoming -- error.

see GREEK agnoeo

KJV: But into the second went the high priest alone once every year, not without blood, which he offered for himself, and for the errors of the people:
NASB: but into the second, only the high priest enters once a year, not without taking blood, which he offers for himself and for the sins of the people committed in ignorance.