G4969–σφάζω–sphazō

unlike Cain, who was of the evil one, and killed his brother. Why did he kill him? Because his works were evil, and his brother's righteous.

ἔσφαξεν esphaxen “he slew”ἔσφαξεν esphaxen “he slayed”

I saw in the midst of the throne and of the four living creatures, and in the midst of the elders, a Lamb standing, as though it had been slain, having seven horns, and seven eyes, which are the seven Spirits of God, sent out into all the earth.

ἐσφαγμένον esphagmenon “slain”

They sang a new song, saying, "You are worthy to take the book, And to open its seals: For you were killed, And bought us for God with your blood, Out of every tribe, language, people, and nation,

ἐσφάγης esphagēs “You were slain”

saying with a loud voice, "Worthy is the Lamb who has been killed to receive the power, wealth, wisdom, strength, honor, glory, and blessing!"

ἐσφαγμένον esphagmenon “slain”

Another came forth, a red horse. To him who sat on it was given power to take peace from the earth, and that they should kill one another. There was given to him a great sword.

σφάξουσιν. sphaxousin “they will slay.”

When he opened the fifth seal, I saw underneath the altar the souls of those who had been killed for the Word of God, and for the testimony of the Lamb which they had.

ἐσφαγμένων esphagmenōn “slain”

One of his heads looked like it had been wounded fatally. His fatal wound was healed, and the whole earth marveled at the beast.

ἐσφαγμένην esphagmenēn “slain”

All who dwell on the earth will worship him, everyone whose name has not been written from the foundation of the world in the book of life of the Lamb who has been killed.

ἐσφαγμένου esphagmenou “slain”

In her was found the blood of prophets and of saints, and of all who have been slain on the earth."

ἐσφαγμένων esphagmenōn “slain”