Matthew 10:18 καὶ ἐπὶ ἡγεμόνας δὲ καὶ βασιλεῖς ἀχθήσεσθε ἕνεκεν ἐμοῦ εἰς μαρτύριον αὐτοῖς καὶ τοῖς ἔθνεσιν.
Yes, and you will be brought before governors and kings for my sake, for a testimony to them and to the nations.
Noun: Accusative Singular Neuter

Matthew 24:14 καὶ κηρυχθήσεται τοῦτο τὸ εὐαγγέλιον τῆς βασιλείας ἐν ὅλῃ τῇ οἰκουμένῃ εἰς μαρτύριον πᾶσιν τοῖς ἔθνεσιν, καὶ τότε ἥξει τὸ τέλος.
This Good News of the Kingdom will be preached in the whole world for a testimony to all the nations, and then the end will come.
Noun: Accusative Singular Neuter

Mark 1:44 καὶ λέγει αὐτῷ· ὅρα μηδενὶ μηδὲν εἴπῃς, ἀλλὰ ὕπαγε σεαυτὸν δεῖξον τῷ ἱερεῖ καὶ προσένεγκε περὶ τοῦ καθαρισμοῦ σου ἃ προσέταξεν Μωϋσῆς, εἰς μαρτύριον αὐτοῖς.
and said to him, "See you say nothing to anybody, but go show yourself to the priest, and offer for your cleansing the things which Moses commanded, for a testimony to them."
Noun: Accusative Singular Neuter

Mark 6:11 καὶ ὃς ἂν τόπος μὴ δέξηται ὑμᾶς μηδὲ ἀκούσωσιν ὑμῶν ἐκπορευόμενοι ἐκεῖθεν ἐκτινάξατε τὸν χοῦν τὸν ὑποκάτω τῶν ποδῶν ὑμῶν εἰς μαρτύριον αὐτοῖς.
Whoever will not receive you nor hear you, as you depart from there, shake off the dust that is under your feet for a testimony against them. Assuredly, I tell you, it will be more tolerable for Sodom and Gomorrah in the day of judgment than for that city!"
Noun: Accusative Singular Neuter

Mark 13:9 βλέπετε δὲ ὑμεῖς ἑαυτούς· παραδώσουσιν ὑμᾶς εἰς συνέδρια καὶ εἰς συναγωγὰς δαρήσεσθε καὶ ἐπὶ ἡγεμόνων καὶ βασιλέων σταθήσεσθε ἕνεκεν ἐμοῦ εἰς μαρτύριον αὐτοῖς.
But watch yourselves, for they will deliver you up to councils. You will be beaten in synagogues. You will stand before rulers and kings for my sake, for a testimony to them.
Noun: Accusative Singular Neuter

Luke 5:14 καὶ αὐτὸς παρήγγειλεν αὐτῷ μηδενὶ εἰπεῖν, ἀλλὰ ἀπελθὼν δεῖξον σεαυτὸν τῷ ἱερεῖ καὶ προσένεγκε περὶ τοῦ καθαρισμοῦ σου καθὼς προσέταξεν Μωϋσῆς εἰς μαρτύριον αὐτοῖς.
He commanded him to tell no one, "But go your way, and show yourself to the priest, and offer for your cleansing according to what Moses commanded, for a testimony to them."
Noun: Accusative Singular Neuter

Luke 9:5 καὶ ὅσοι ἂν μὴ δέχωνται ὑμᾶς, ἐξερχόμενοι ἀπὸ τῆς πόλεως ἐκείνης τὸν κονιορτὸν ἀπὸ τῶν ποδῶν ὑμῶν ἀποτινάσσετε εἰς μαρτύριον ἐπ' αὐτούς.
As many as don't receive you, when you depart from that city, shake off even the dust from your feet for a testimony against them."
Noun: Accusative Singular Neuter

Luke 21:13 ἀποβήσεται ὑμῖν εἰς μαρτύριον.
It will turn out as a testimony for you.
Noun: Accusative Singular Neuter

Acts 4:33 καὶ δυνάμει μεγάλῃ ἀπεδίδουν τὸ μαρτύριον οἱ ἀπόστολοι (τοῦ κυρίου Ἰησοῦ) τῆς ἀναστάσεως, [τοῦ κυρίου Ἰησοῦ] χάρις τε μεγάλη ἦν ἐπὶ πάντας αὐτούς.
With great power, the apostles gave their testimony of the resurrection of the Lord Jesus. Great grace was on them all.
Noun: Accusative Singular Neuter

1 Corinthians 1:6 καθὼς τὸ μαρτύριον τοῦ Χριστοῦ ἐβεβαιώθη ἐν ὑμῖν,
even as the testimony of Christ was confirmed in you:
Noun: Nominative Singular Neuter

2 Corinthians 1:12 ἡ γὰρ καύχησις ἡμῶν αὕτη ἐστίν, τὸ μαρτύριον τῆς συνειδήσεως ἡμῶν, ὅτι ἐν ἁγιότητι / ἁπλότητι καὶ εἰλικρινείᾳ τοῦ θεοῦ καὶ οὐκ ἐν σοφίᾳ σαρκικῇ ἀλλ' ἐν χάριτι θεοῦ, ἀνεστράφημεν ἐν τῷ κόσμῳ περισσοτέρως δὲ πρὸς ὑμᾶς.
For our boasting is this: the testimony of our conscience, that in holiness and sincerity of God, not in fleshly wisdom but in the grace of God we behaved ourselves in the world, and more abundantly toward you.
Noun: Nominative Singular Neuter

2 Thessalonians 1:10 ὅταν ἔλθῃ ἐνδοξασθῆναι ἐν τοῖς ἁγίοις αὐτοῦ καὶ θαυμασθῆναι ἐν πᾶσιν τοῖς πιστεύσασιν, ὅτι ἐπιστεύθη τὸ μαρτύριον ἡμῶν ἐφ' ὑμᾶς ἐν τῇ ἡμέρᾳ ἐκείνῃ.
when he comes to be glorified in his saints, and to be admired among all those who have believed (because our testimony to you was believed) in that day.
Noun: Nominative Singular Neuter

1 Timothy 2:6 ὁ δοὺς ἑαυτὸν ἀντίλυτρον ὑπὲρ πάντων, τὸ μαρτύριον καιροῖς ἰδίοις.
who gave himself as a ransom for all; the testimony in its own times;
Noun: Nominative Singular Neuter

2 Timothy 1:8 μὴ οὖν ἐπαισχυνθῇς τὸ μαρτύριον τοῦ κυρίου ἡμῶν μηδὲ ἐμὲ τὸν δέσμιον αὐτοῦ, ἀλλὰ συγκακοπάθησον τῷ εὐαγγελίῳ κατὰ δύναμιν θεοῦ,
Therefore don't be ashamed of the testimony of our Lord, nor of me his prisoner; but endure hardship for the Good News according to the power of God,
Noun: Accusative Singular Neuter

Hebrews 3:5 καὶ Μωϋσῆς μὲν πιστὸς ἐν ὅλῳ τῷ οἴκῳ αὐτοῦ ὡς θεράπων εἰς μαρτύριον τῶν λαληθησομένων,
Moses indeed was faithful in all his house as a servant, for a testimony of those things which were afterward to be spoken,
Noun: Accusative Singular Neuter

James 5:3 ὁ χρυσὸς ὑμῶν καὶ ὁ ἄργυρος κατίωται καὶ ὁ ἰὸς αὐτῶν εἰς μαρτύριον ὑμῖν ἔσται καὶ φάγεται τὰς σάρκας ὑμῶν ὡς πῦρ. ἐθησαυρίσατε ἐν ἐσχάταις ἡμέραις.
Your gold and your silver are corroded, and their corrosion will be for a testimony against you, and will eat your flesh like fire. You have laid up your treasure in the last days.
Noun: Accusative Singular Neuter