Contradiction with Exodus 20:3
Contradicts by emphasizing no other gods should be worshipped, whereas 2 Kings 5:17 allows Naaman to worship the Lord alongside his king's deity.
Exodus 20:3: Thou shalt have no other gods before me.
Contradiction with 1 Kings 18:21
Contradicts as it stresses the need to follow one God, whereas 2 Kings 5:17 discusses accommodating worship in the house of Rimmon.
1 Kings 18:21: And Elijah came unto all the people, and said, How long halt ye between two opinions? if the LORD [be] God, follow him: but if Baal, [then] follow him. And the people answered him not a word. [opinions: or, thoughts]
Contradiction with Isaiah 42:8
Contradicts by asserting that God will not share His glory with another, conflicting with Naaman’s request to take soil for worship amidst other gods.
Isaiah 42:8: I [am] the LORD: that [is] my name: and my glory will I not give to another, neither my praise to graven images.
Contradiction with Matthew 6:24
Contradicts by teaching that one cannot serve two masters, whereas 2 Kings 5:17 shows Naaman serving both the Lord and attending a pagan temple.
Matthew 6:24: No man can serve two masters: for either he will hate the one, and love the other; or else he will hold to the one, and despise the other. Ye cannot serve God and mammon.
Contradiction with Deuteronomy 6:14
Contradicts by prohibiting following other gods, differing from the allowance in 2 Kings 5:17 for worship flexibility.
Deuteronomy 6:14: Ye shall not go after other gods, of the gods of the people which [are] round about you;
Contradiction with Joshua 24:15
Contradicts by urging exclusive worship of the Lord, differing from Naaman’s situation of dual worship.
Joshua 24:15: And if it seem evil unto you to serve the LORD, choose you this day whom ye will serve; whether the gods which your fathers served that [were] on the other side of the flood, or the gods of the Amorites, in whose land ye dwell: but as for me and my house, we will serve the LORD.