con seguridad
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)
Spanish > Greek
ἀδεῶς, ἀκινδύνως, ἀκριβῶς, ἀλανέως, ἀμεταπτώτως, ἀπεριστάτως, ἀπταιστί, ἀπταίστως, ἀπτώτως, ἀραρότως, ἀφεύκτως, διαβεβαιωτικῶς, ἐμπέδως, ἐνεχύρως, ἐξάπαντος, ἐξ ἅπαντος