Exodus 8:2
But if you refuse to release them, then I am going to plague all your territory with frogs.
Exodus 7:14
The Lord said to Moses, "Pharaoh's heart is hard; he refuses to release the people.
Exodus 9:2
For if you refuse to release them and continue holding them,
Psalm 78:45
He sent swarms of biting insects against them, as well as frogs that overran their land.
Psalm 105:30
Their land was overrun by frogs, which even got into the rooms of their kings.
Revelation 16:13-14
Then I saw three unclean spirits that looked like frogs coming out of the mouth of the dragon, out of the mouth of the beast, and out of the mouth of the false prophet.