Extended Strong's Greek Lexicon (Abbott-Smith based)
to exchange
Usage: μετ-αλλάσσω [in LXX: Est.2:7 (מוּת), Est.2:20, 1Es.1:31 Est.1:2 Mac.9 * ;] __1. to exchange: τ. ἀλήθειαν . . . ἐν τ. ψεύδει, the truth for a lie (see Bl., § 36, 8), Rom_1:25. __2. to change: with accusative before εἰς, Rom_1:26 (ἀλλάσσω).† (AS)