Verses with the word confederate in the Apocrypha (2 verses):

1 Maccabees 10:16
He said, Shall we find such another man? now therefore we will make him our friend and confederate.

1 Maccabees 10:47
But with Alexander they were well pleased, because he was the first that entreated of true peace with them, and they were confederate with him always.