You Insist Upon Translating...
...'apostasia' as departure. So again--since this is what you choose to believe the word 'apostasia' means, this is what you get:
Joshua 22:22 The Mighty One, God, the LORD, the Mighty One, God, the LORD! He knows, and may Israel itself know. If it was in [departure], or if in a [departure] act against the LORD do not save us this day!
2 Chronicles 28:19 the LORD humbled Judah because of Ahaz king of Israel, for he had brought about a lack of restraint in Judah and was very [departured] to the LORD.
2 Chronicles 29:19 all the utensils which King Ahaz had discarded during his reign in his [departure], we have prepared and consecrated; and behold, they are before the altar of the LORD."
2 Chronicles 33:19 His prayer also and how God was entreated by him, and all his sin, his [departure], and the sites on which he built high places and erected the Asherim and the carved images.
Ezra 4:19 A decree has been issued by me, and a search has been made and it has been discovered that that city has risen up against the kings in past days, that [departure] and [departure] have been perpetrated in it.
Jeremiah 2:19 Your own wickedness will correct you, And your [departure] will reprove you; Know therefore and see that it is evil and bitter For you to forsake the LORD your God,
Acts 21:21 they have been told about you, that you are teaching all the Jews who are among the Gentiles to [departure] Moses, telling them not to circumcise their children nor to walk according to the customs.
2 Thessalonians 2:3 Let no one in any way deceive you, for it will not come unless the [departure] comes first, and the man of lawlessness is revealed.
Since you insist that 'apostasia' means 'departure,' translate it consistently, or else accept the lexical meaning.