Revelation 9:11
“And they had a king over them, which is the angel of the bottomless pit, whose name in the Hebrew tongue is Abaddon, but in the Greek tongue hath his name Apollyon.”
And they had breastplates, as it were breastplates of iron; and the sound of their wings was as the sound of chariots of many horses running to battle.
And they had tails like unto scorpions, and there were stings in their tails: and their power was to hurt men five months.
And they had a king over them, which is the angel of the bottomless pit, whose name in the Hebrew tongue is Abaddon, but in the Greek tongue hath his name Apollyon.
One woe is past; and, behold, there come two woes more hereafter.
And the sixth angel sounded, and I heard a voice from the four horns of the golden altar which is before God,
Why This Verse Was Tagged
This verse was identified by multiple independent signals: structural patterns, prophetic context, and vocabulary — then validated by a probability model (Snorkel).

Related Verses
“And the fifth angel sounded, and I saw a star fall from heaven unto the earth: and to him was given the key of the bottomless pit.”
“And he gathered them together into a place called in the Hebrew tongue Armageddon.”
“And when they shall have finished their testimony, the beast that ascendeth out of the bottomless pit shall make war against them, and shall overcome them, and kill them.”
“For their power is in their mouth, and in their tails: for their tails were like unto serpents, and had heads, and with them they do hurt.”
“And he opened the bottomless pit; and there arose a smoke out of the pit, as the smoke of a great furnace; and the sun and the air were darkened by reason of the smoke of the pit.”