G4397–προφητικός–prophētikos

But is now made clear; and by the writings of the prophets, by the order of the eternal God, the knowledge of it has been given to all the nations, so that they may come under the rule of the faith;

προφητικῶν prophētikōn “prophetic”

And so the words of the prophets are made more certain; and it is well for you to give attention to them as to a light shining in a dark place, till the dawn comes and the morning star is seen in your hearts;

προφητικὸν prophētikon “prophetic”