G0720–ἀρνέομαι–arneomai

Who is a liar but he that denieth that Jesus is the Christ? He is antichrist, that denieth the Father and the Son.

ἀρνούμενος arnoumenos “denying”ἀρνούμενος arnoumenos “denying”

Whoever denieth the Son, the same hath not the Father: but he that acknowledgeth the Son hath the Father also.

ἀρνούμενος arnoumenos “is denying”

For certain men have crept in unawares, who were before of old ordained to this condemnation, ungodly men, turning the grace of our God into lasciviousness, and denying the only Lord God, and our Lord Jesus Christ.

ἀρνούμενοι. arnoumenoi “denying.”

I know thy works, and where thou dwellest, even where Satan's seat is: and thou holdest fast my name, and hast not denied my faith, even in those days wherein Antipas was my faithful martyr, who was slain among you, where Satan dwelleth.

ἠρνήσω ērnēsō “you have denied”

I know thy works: behold, I have set before thee an open door, and no man can shut it: for thou hast a little strength, and hast kept my word, and hast not denied my name.

ἠρνήσω ērnēsō “denied”