Strong’s Greek
G56 — agnosia
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἀγνωσία
agnosia — pronounced ag-no-see'-ah
from 1 (as negative particle) and 1108; ignorance (properly, the state):--ignorance, not the knowledge. see GREEK for 1 see GREEK for 1108
2 occurrences in the KJV.
1 Corinthians 15:34
Awake to righteousness, and sin not; for some have not the knowledge of God: I speak this to your shame.
1 Peter 2:15
For so is the will of God, that with well doing ye may put to silence the ignorance of foolish men: