Judges 1:28-30

28 When Israel had grown strong, they put the Canaanites to forced labour, and didn’t utterly drive them out.

29 Ephraim didn’t drive out the Canaanites who lived in Gezer, but the Canaanites lived in Gezer amongst them.

30 Zebulun didn’t drive out the inhabitants of Kitron, nor the inhabitants of Nahalol; but the Canaanites lived amongst them, and became subject to forced labour.