Revelation 9:10 - And they had tails G3769 like unto scorpions, and there were stings in their tails: G3769 and their power was to hurt men five months.
Revelation 9:19 - For their power is in their mouth, and in their tails: G3769 for their tails G3769 were like unto serpents, and had heads, and with them they do hurt.
Revelation 12:4 - And his tail G3769 drew the third part of the stars of heaven, and did cast them to the earth: and the dragon stood before the woman which was ready to be delivered, for to devour her child as soon as it was born.