Jeus speaks of His self-existence, John 8:58.
This speaks Abraham a creature, and our Lord the Creator; well, therefore, might he make himself greater than Abraham. I AM, is the name of God, Exodus 3:14; it speaks his self-existence; . . .

--Matthew Henry Commentary

Colossians 2:9 KJV

The Godhead is the translation of the Greek word theotēs, G2329, which equates to (in Greek) the state of being. This verse is in harmony with many of the other verses cited on the website.