Colossians 3:11 reinforces that Christ is all in all, a theme directly expanding on being complete in Him.

Colossians 1:16-18 establishes Christ's preeminence over creation and the church — the basis for him being head over every power in 2:10.

Colossians 1:28 aims to present believers mature in Christ, connecting to the completeness they have in Him.

Colossians 1:18 explicitly states Christ is head of the church, reinforcing the same headship theme from Colossians 2:10.

John 1:16 declares we receive from His fullness, directly supporting the completeness believers have in Christ.

Revelation 5:9-13 depicts Christ receiving universal worship and authority — the same exalted Lord in whom believers find their fullness in Colossians 2:10.

1 Corinthians 1:30 lists Christ as our wisdom, righteousness, etc., showing He is the source of our completeness.

1 Peter 3:22 confirms that all authorities are in submission to Christ at God's right hand — exactly the headship over powers in Colossians 2:10.

Galatians 3:26 affirms sonship through faith in Christ, which is the basis of being complete in Him.

Ephesians 1:20-23 parallels Christ's exaltation above all rule and authority — the same headship believers share in Colossians 2:10.

Philippians 2:9-11 proclaims Christ's exaltation above every name — the same supreme position making him head over all powers in Colossians 2:10.

In John 17:23, Jesus prays for believers to be made complete through His indwelling — the same fullness Paul speaks of.

Hebrews 1:4 affirms Christ's superiority to angels, directly aligning with His headship over all rule and authority.

Ephesians 3:19 speaks of being filled with all the fullness of God, directly linking to the fullness believers have in Christ.

Ephesians 1:23 calls the church His fullness, complementing the idea of believers being filled in Christ who fills all.

Ephesians 1:22 reinforces Christ's headship over all things for the church, directly parallel to His headship over rule and authority.

Ephesians 1:21 exalts Christ far above all rule and authority — directly paralleling His headship over every power.

John 17:26 promises Christ's indwelling in believers — the means by which they are filled in Christ.

Ephesians 4:16 describes the body growing from Christ the head — the source of fullness and unity alluded to in Colossians 2:10.

Ephesians 4:15 also calls Christ the head of the body, highlighting growth into him — the same head from whom believers receive fullness.

1 John 2:5 links obedience to love being made complete in God, reinforcing the fullness believers have in Christ.

1 Corinthians 11:3 identifies Christ as head of every man — the same headship that extends over all powers in Colossians 2:10.