G4397–προφητικός–prophētikos

but now is manifested, and by the scriptures of the prophets, according to the commandment of the eternal God, is made known unto all the nations unto obedience of faith:

προφητικῶν prophētikōn “prophetic”

And we have the word of prophecy [ergänzt: made] more sure; whereunto ye do well that ye take heed, as unto a lamp shining in a dark place, until the day dawn, and the day-star arise in your hearts:

προφητικὸν prophētikon “prophetic”