G0720–ἀρνέομαι–arneomai

Who is the liar but he who denies that Jesus is the Christ? This is the Antichrist, he who denies the Father and the Son.

ἀρνούμενος arnoumenos “denying”ἀρνούμενος arnoumenos “denying”

Whoever denies the Son, the same doesn't have the Father. He who confesses the Son has the Father also.

ἀρνούμενος arnoumenos “is denying”

For there are certain men who crept in secretly, even those who were long ago written about for this condemnation: ungodly men, turning the grace of our God into lasciviousness, and denying our only Master, God, and Lord, Jesus Christ.

ἀρνούμενοι. arnoumenoi “denying.”

"I know your works and where you dwell, where Satan's throne is. You hold firmly to my name, and didn't deny my faith in the days of Antipas my witness, my faithful one, who was killed among you, where Satan dwells.

ἠρνήσω ērnēsō “you have denied”

"I know your works (behold, I have set before you an open door, which no one can shut), that you have a little power, and kept my word, and didn't deny my name.

ἠρνήσω ērnēsō “denied”