G2190–ἐχθρός–echthros

And you, that were sometime alienated and enemies in your mind by wicked works, yet now hath he reconciled

ἐχθροὺς echthrous “hostile”

Yet count him not as an enemy, but admonish him as a brother.

ἐχθρὸν echthron “an enemy”

But to which of the angels said he at any time, Sit on my right hand, until I make thine enemies thy footstool?

ἐχθρούς echthrous “enemies”

From henceforth expecting till his enemies be made his footstool.

ἐχθροὶ echthroi “enemies”

Ye adulterers and adulteresses, know ye not that the friendship of the world is enmity with God? whosoever therefore will be a friend of the world is the enemy of God.

ἐχθρὸς echthros “an enemy”

And if any man will hurt them, fire proceedeth out of their mouth, and devoureth their enemies: and if any man will hurt them, he must in this manner be killed.

ἐχθροὺς echthrous “enemies”

And they heard a great voice from heaven saying unto them, Come up hither. And they ascended up to heaven in a cloud; and their enemies beheld them.

ἐχθροὶ echthroi “enemies”