Deuteronomy 10:20 commands swearing only by the LORD's name—the violation here is swearing by both LORD and Molek.

Jeremiah 19:13 specifically parallels this: burning incense on roofs to starry hosts, a practice both prophets denounce.

Jeremiah 32:29 repeats the same accusation: burning incense on roofs to Baal and other gods, confirming this widespread sin.

Hosea 4:15 warns Israel not to swear 'As the LORD lives' while engaging in idolatry—directly parallel to swearing by both God and Milcom.

Amos 5:26 condemns astral worship (Sikkuth and Kiyyun), paralleling the host-of-heaven worship here.

2 Kings 23:12 describes Josiah destroying rooftop altars to starry hosts, directly supporting the practice condemned here.

Matthew 6:24 articulates the principle: no one can serve two masters—the divided heart condemned here is impossible for God's servants.

2 Kings 17:41 continues the syncretism theme: worshiping LORD while serving idols, mirroring the double oath condemned here.

2 Kings 17:33 describes syncretistic worship—fearing LORD yet serving other gods—exactly the dual allegiance condemned here.

1 Kings 18:21 confronts the same divided loyalty—wavering between God and Baal—that swearing by both LORD and Molek represents.

1 Kings 11:33 lists Milcom among gods worshipped by Solomon—same false god named in this verse.

Joshua 23:7 explicitly forbids swearing by other gods—the very sin Zephaniah judges here.

Amos 8:14 denounces swearing by false gods — directly parallel to the syncretistic oath-taking by both the LORD and Molech.

Hosea 10:2 condemns a divided heart — the same double loyalty that worships both God and idols leads to altar destruction.

Deuteronomy 4:19 warns against bowing to the sun, moon, and stars — the same 'host of heaven' worshiped on roofs in Zephaniah.

Jeremiah 44:26 shows swearing by the Queen of Heaven instead of the LORD, parallel to swearing by Molek.

2 Corinthians 6:16 asks what harmony God's temple has with idols — echoing the incompatibility of serving both God and Molech.

Jeremiah 8:2 explicitly mentions worshiping the sun, moon, and stars—the same starry host worshiped here.

Jeremiah 5:7 also condemns swearing by gods that are not gods, directly paralleling the mixed oaths here.

Psalm 86:11 prays for an undivided heart to fear God, opposing the divided loyalty in Zephaniah 1:5.

2 Chronicles 33:3 says Manasseh worshiped all the host of heaven — the same sin Zephaniah condemns.

2 Kings 23:13 records Solomon's high places for Milcom — the same idol, showing its lasting influence.

2 Kings 23:5 describes Josiah removing priests who burned incense to the host of heaven — directly connected to Zephaniah's roof worship.

1 Kings 11:5 names Milcom as the Ammonite abomination Solomon followed — the very idol Zephaniah mentions.

Jeremiah 7:9 lists burning incense to Baal among sins, echoing the idolatry of bowing to Molek and starry host.

Jeremiah 12:16 contrasts swearing by Baal with swearing by the LORD, similar to the mixed oaths here.

Jeremiah 4:2 calls for swearing by the Lord in truth, contrasting the insincere mixed oaths condemned here.

Isaiah 65:16 describes swearing by the God of truth, contrasting with swearing by both the LORD and Molek.

Psalm 119:10 expresses wholehearted seeking of God, contrasting with the divided loyalty of bowing to the LORD and Molek.

Ezekiel 20:39 condemns serving idols, reflecting the same syncretistic idolatry seen in bowing to Molek.

Psalm 63:11 celebrates swearing by God alone, contrasting with Zephaniah's condemnation of swearing by both God and Milcom.