Isaiah 58:4 rebukes violent fists during fasting — a parallel critique of physical oppression, though directed at internal strife rather than specifically the poor.

Amos 2:6 condemns selling the needy for silver — a direct parallel to Isaiah's charge of crushing the poor, both prophetic indictments of social injustice.

Amos 2:7 says they trample the poor's heads — almost identical imagery to Isaiah's grinding faces, reinforcing the same sin.

Amos 8:4-6 details exploiting the needy through dishonest trade — a fuller description of the economic oppression Isaiah briefly condemns.

Micah 3:2 accuses leaders of tearing skin from the people — vivid violence against the poor, matching Isaiah's grinding of faces.

Micah 3:3 continues with eating flesh and breaking bones — even more graphic portrayal of the same oppression Isaiah denounces.

In Deuteronomy 24:17, the law protects the sojourner and widow — violating this is exactly what God condemns here.

In Psalm 10:9, the wicked ambush the poor — the same image of oppressing the vulnerable that God condemns here.

In Psalm 94:5, the same verb 'crush' describes oppressors afflicting God's people — directly echoing this complaint.

In Ezekiel 16:49, Sodom's sin includes failing to aid the poor — the same neglect that God condemns in Isaiah.

In James 2:6, the rich oppress the poor and drag them to court — exactly the kind of oppression God condemns in Isaiah.

In Ecclesiastes 5:8, the reality of oppression of the poor is acknowledged with divine oversight — complements the rebuke here.