KJV ¹⁵ Looking diligently lest any man fail of the grace of God; lest any root of bitterness springing up trouble you, and thereby many be defiled;

TR1550 ¹⁵ ἐπισκοποῦντες μή τις ὑστερῶν ἀπὸ τῆς χάριτος τοῦ θεοῦ μή τις ῥίζα πικρίας ἄνω φύουσα ἐνοχλῇ καὶ διὰ ταὐτῆς μιανθῶσιν πολλοί