KJV:
And death and hell were cast into the lake of fire. This is the second death.
NASB:
Then death and Hades were thrown into the lake of fire. This is the second death, the lake of fire.
KJV:
And whosoever was not found written in the book of life was cast into the lake of fire.
NASB:
And if anyone's name was not found written in the book of life, he was thrown into the lake of fire.
KJV:
But the fearful, and unbelieving, and the abominable, and murderers, and whoremongers, and sorcerers, and idolaters, and all liars, shall have their part in the lake which burneth with fire and brimstone: which is the second death.
NASB:
"But for the cowardly and unbelieving and abominable and murderers and immoral persons and sorcerers and idolaters and all liars, their part will be in the lake that burns with fire and brimstone, which is the second death."