Romans 6:13 μηδὲ παριστάνετε τὰ μέλη ὑμῶν ὅπλα ἀδικίας τῇ ἁμαρτίᾳ, ἀλλὰ παραστήσατε ἑαυτοὺς τῷ θεῷ ὡσεὶ ἐκ νεκρῶν ζῶντας καὶ τὰ μέλη ὑμῶν ὅπλα δικαιοσύνης τῷ θεῷ.
Neither present your members to sin as instruments of unrighteousness, but present yourselves to God, as alive from the dead, and your members as instruments of righteousness to God.
Noun: Accusative Plural Neuter

Romans 13:12 ἡ νὺξ προέκοψεν, ἡ δὲ ἡμέρα ἤγγικεν ἀποθώμεθα οὖν τὰ ἔργα τοῦ σκότους, ἐνδυσώμεθα δὲ τὰ ὅπλα τοῦ φωτός.
The night is far gone, and the day is near. Let's therefore throw off the works of darkness, and let's put on the armor of light.
Noun: Accusative Plural Neuter

2 Corinthians 10:4 τὰ γὰρ ὅπλα τῆς στρατείας ἡμῶν οὐ σαρκικὰ ἀλλὰ δυνατὰ τῷ θεῷ πρὸς καθαίρεσιν ὀχυρωμάτων,
for the weapons of our warfare are not of the flesh, but mighty before God to the throwing down of strongholds,
Noun: Nominative Plural Neuter