Jeremiah 6:30 continues the metal metaphor: Israel as rejected silver, while 6:28 called them bronze and iron.

Jeremiah 5:23 describes the same stubborn, rebellious heart—directly paralleling the 'stubborn rebels' in 6:28.

Jeremiah 9:4 warns that every neighbor is a slanderer—directly echoing the 'walking with slanders' in 6:28.

Jeremiah 20:10 has friends whispering denunciations—concrete examples of the slanderous behavior from 6:28.

Jeremiah 18:18 shows people plotting with their tongues against Jeremiah—a specific instance of the slander described in 6:28.

Ezekiel 22:18-22 uses the same base-metal imagery (bronze, iron) for Israel's corruption—identical metaphor.

Leviticus 19:16 forbids slander, which the people in Jeremiah 6:28 are guilty of — a direct contrast between command and sin.

Isaiah 1:22 uses debased metal imagery (silver to dross) similar to the bronze and iron metaphor for corruption in Jeremiah 6:28.

Ezekiel 22:9 explicitly lists slander and bloodshed among Jerusalem's sins, matching the slander and corruption in Jeremiah 6:28.

Hosea 5:2 also calls Israel 'revolters' who slaughter, reinforcing the same accusation of deep rebellion here.

Malachi 3:3 describes a refiner purifying silver, while here Israel is called 'brass and iron' — stubborn metal needing judgment, not purification.

Ephesians 4:31 commands putting away bitterness and slander, directly mirroring the 'slanders' that mark the rebellious in this verse.

Psalm 50:20 condemns slandering a brother—aligns with the slander accusation in 6:28.

Isaiah 1:5 also depicts Israel's persistent rebellion, asking why they continue to rebel—echoing the theme of rebelliousness.

Isaiah 31:6 calls Israel to turn from their deep revolt, matching the rebellion motif in 6:28.