Isaiah 46:11 uses the same language 'I have planned it' — a direct verbal echo of God's sovereign decree, here applied to Cyrus instead of Tyre.

Isaiah 2:11 explicitly says the proud will be humbled — the very outcome God plans in Isaiah 23:9, with strong verbal overlap.

Isaiah 2:17 repeats the humbling of pride — directly parallel to Isaiah 23:9's purpose to bring the honorable into contempt.

Isaiah 5:15 describes the humbling of the proud and important — same motif as God's plan in Isaiah 23:9 to defile glory.

In Isaiah 5:16, the LORD is exalted in judgment, reinforcing that God's purpose to defile pride vindicates His holiness.

Isaiah 10:33 depicts God lopping off tall trees and bringing down the proud—reinforcing the divine plan to humble all glory.

In Isaiah 13:11, God explicitly says He will cause the arrogancy of the proud to cease, directly echoing the defiling of pride.

Isaiah 14:24 declares 'as I have planned, so it will be'—reaffirming the irrevocable plan to defile pride mentioned in the main verse.

Isaiah 14:27 states the LORD's purpose cannot be thwarted—underlying the certainty of the humbling of Tyre's pride.

Isaiah 40:23 states God brings princes to nothing, directly matching the dishonoring of the honored here.

Isaiah 2:12 declares a day against all that is proud and lofty, echoing the same theme of God humbling the haughty.

In Isaiah 16:14, Moab's glory is brought into contempt within three years, mirroring the judgment on Tyre's pride.

Ephesians 3:11 speaks of God's eternal purpose in Christ — echoing Isaiah's theme of divine planning that humbles pride.

In Job 12:21, God pours contempt on princes, using the same word 'contempt' as Isaiah 23:9.

Ephesians 1:11 declares God works all things by His will — directly parallels the 'planned it' of Isaiah 23:9, broadening the scope.

In 1 Corinthians 1:26-29, God chooses the lowly to shame the proud, fulfilling the same pattern of humbling pride.

In Malachi 4:1, the proud are burned up as stubble, showing the ultimate judgment on pride.

In Daniel 4:37, Nebuchadnezzar testifies that God is able to abase the proud, confirming the theme of humbling pride.

In James 4:6, God resists the proud, a NT reaffirmation of the principle in Isaiah 23:9.

In Psalm 107:40, God pours contempt on princes, identical phrasing to Job 12:21 and parallel to Isaiah 23:9.

In Job 40:12, God says to bring low every proud one, echoing the humbling of the proud in Isaiah 23:9.

In Job 40:11, God commands to abase the proud, matching the purpose in Isaiah 23:9 to bring contempt on the honorable.

In Job 33:17, God's purpose to conceal pride from man directly parallels the Lord's plan here to defile all pride.

Zechariah 9:6 says God will 'cut off the pride of Philistia' – almost identical language to defiling pride here.

Ezekiel 28:16 describes Tyre's king cast down for pride and violence, mirroring God's purpose to defile all glory.

Ezekiel 28:7 echoes the same judgment: God brings ruthless nations to defile Tyre's splendor and humble its pride.

Jeremiah 13:9 says God will spoil the pride of Judah, a direct parallel to defiling all pride in Tyre.

Daniel 4:24 tells Nebuchadnezzar that God decrees humiliation for pride – a parallel to God's purpose against Tyre.

Lamentations 2:2 describes God bringing down Judah's rulers in dishonor, similar to humbling Tyre's honored ones.

Obadiah 1:2 declares God will make Edom small and despised, similarly humbling a proud nation.

Revelation 18:18 laments Babylon's fall, a proud city judged by God – similar theme of humbling pride.