Strong’s Greek
G454 — anoia
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἄνοια
anoia — pronounced an'-oy-ah
from a compound of 1 (as a negative particle) and 3563; stupidity; by implication, rage:--folly, madness. see GREEK for 1 see GREEK for 3563
2 occurrences in the KJV.
Luke 6:11
And they were filled with madness; and communed one with another what they might do to Jesus.
2 Timothy 3:9
But they shall proceed no further: for their folly shall be manifest unto all men, as theirs also was.