Judges 10:8
who that very year harassed and oppressed the Israelites, and did so for eighteen years to all the Israelites on the other side of the Jordan in Gilead, the land of the Amorites.
Berean Standard Bible
And that year they vexed and oppressed the children of Israel: eighteen years, all the children of Israel that were on the other side Jordan in the land of the Amorites, which is in Gilead.
They troubled and oppressed the children of Israel that year. For eighteen years they oppressed all the children of Israel that were beyond the Jordan in the land of the Amorites, which is in Gilead.