Mizpah.

Judges 10:17
Then the Ammonites were called to arms and camped in Gilead, and the Israelites assembled and camped at Mizpah.

Judges 11:11, 29
So Jephthah went with the elders of Gilead, and the people put him over themselves as leader and commander. And Jephthah repeated all his terms in the presence of the LORD at Mizpah. . . .

Mizpeh.

1 Samuel 7:5
Then Samuel said, "Gather all Israel to Mizpah, and I will pray to the LORD on your behalf."

1 Kings 15:22
Then King Asa made a proclamation throughout all Judah, with no exception, and they carried away the stones of Ramah and the timbers Baasha had used for building. And with these materials King Asa built up Geba of Benjamin, as well as Mizpah.

Hosea 5:1
Hear this, O priests! Take heed, O house of Israel! Give ear, O royal house! For the judgment is against you because you have been a snare at Mizpah and a net spread out on Tabor.