ἀποστάτησις

From LSJ

διὸ καὶ μεταλάττουσι τὴν φυσικὴν χρῆσιν εἰς τὴν παρὰ φύσιν αἱ δοκοῦσαι παρθένοι τῶν εἰδώλων → therefore those professing to be virgins of the idols even change the natural use into the unnatural (Origen, commentary on Romans 1:26)

Source

Greek (Liddell-Scott)

ἀποστάτησις: -εως, ἡ, ἐπανάστασις, ἀποστασία, καὶ -στατησείω, μελετῶ ν’ ἀποστατήσω, Βυζ.