Acts 21:23 τοῦτο οὖν ποίησον ὅ σοι λέγομεν· εἰσὶν ἡμῖν ἄνδρες τέσσαρες εὐχὴν ἔχοντες ἀφ’ / ἐφ' ἑαυτῶν.
Therefore do what we tell you. We have four men who have taken a vow.
Adjective: Nominative Plural Masculine

Revelation 4:4 καὶ κυκλόθεν τοῦ θρόνου θρόνοι / θρόνους εἴκοσι τέσσαρες, καὶ ἐπὶ τοὺς θρόνους εἴκοσι τέσσαρας πρεσβυτέρους καθημένους περιβεβλημένους [ἐν] ἱματίοις λευκοῖς καὶ ἐπὶ τὰς κεφαλὰς αὐτῶν στεφάνους χρυσοῦς.
Around the throne were twenty-four thrones. On the thrones were twenty-four elders sitting, dressed in white garments, with crowns of gold on their heads.
Adjective: Nominative Plural Masculine

Revelation 4:10 πεσοῦνται οἱ εἴκοσι τέσσαρες πρεσβύτεροι ἐνώπιον τοῦ καθημένου ἐπὶ τοῦ θρόνου καὶ προσκυνήσουσιν τῷ ζῶντι εἰς τοὺς αἰῶνας τῶν αἰώνων καὶ βαλοῦσιν τοὺς στεφάνους αὐτῶν ἐνώπιον τοῦ θρόνου λέγοντες,
the twenty-four elders fall down before him who sits on the throne, and worship him who lives forever and ever, and throw their crowns before the throne, saying,
Adjective: Nominative Plural Masculine

Revelation 5:8 καὶ ὅτε ἔλαβεν τὸ βιβλίον τὰ τέσσαρα ζῷα καὶ οἱ εἴκοσι τέσσαρες πρεσβύτεροι ἔπεσαν ἐνώπιον τοῦ ἀρνίου ἔχοντες ἕκαστος κιθάραν καὶ φιάλας χρυσᾶς γεμούσας θυμιαμάτων, αἵ εἰσιν αἱ προσευχαὶ τῶν ἁγίων,
Now when he had taken the book, the four living creatures and the twenty-four elders fell down before the Lamb, each one having a harp, and golden bowls full of incense, which are the prayers of the saints.
Adjective: Nominative Plural Masculine

Revelation 7:4 καὶ ἤκουσα τὸν ἀριθμὸν τῶν ἐσφραγισμένων, ἑκατὸν τεσσεράκοντα τέσσαρες χιλιάδες, ἐσφραγισμένοι ἐκ πάσης φυλῆς υἱῶν Ἰσραήλ.
I heard the number of those who were sealed, one hundred forty-four thousand, sealed out of every tribe of the children of Israel:
Adjective: Nominative Plural Feminine

Revelation 9:15 καὶ ἐλύθησαν οἱ τέσσαρες ἄγγελοι οἱ ἡτοιμασμένοι εἰς τὴν ὥραν καὶ ἡμέραν καὶ μῆνα καὶ ἐνιαυτόν, ἵνα ἀποκτείνωσιν τὸ τρίτον τῶν ἀνθρώπων.
The four angels were freed who had been prepared for that hour and day and month and year, so that they might kill one third of mankind.
Adjective: Nominative Plural Masculine

Revelation 11:16 καὶ οἱ εἴκοσι τέσσαρες πρεσβύτεροι οἱ ἐνώπιον τοῦ θεοῦ καθήμενοι ἐπὶ τοὺς θρόνους αὐτῶν ἔπεσαν ἐπὶ τὰ πρόσωπα αὐτῶν καὶ προσεκύνησαν τῷ θεῷ
The twenty-four elders, who sit on their thrones before God's throne, fell on their faces and worshiped God,
Adjective: Nominative Plural Masculine

Revelation 14:1 Καὶ εἶδον, καὶ ἰδοὺ τὸ ἀρνίον ἑστὸς ἐπὶ τὸ ὄρος Σιών καὶ μετ' αὐτοῦ ἑκατὸν τεσσεράκοντα τέσσαρες χιλιάδες ἔχουσαι τὸ ὄνομα αὐτοῦ καὶ τὸ ὄνομα τοῦ πατρὸς αὐτοῦ γεγραμμένον ἐπὶ τῶν μετώπων αὐτῶν.
I saw, and behold, the Lamb standing on Mount Zion, and with him a number, one hundred forty-four thousand, having his name, and the name of his Father, written on their foreheads.
Adjective: Nominative Plural Feminine

Revelation 14:3 καὶ ᾄδουσιν ὡς ᾠδὴν καινὴν ἐνώπιον τοῦ θρόνου καὶ ἐνώπιον τῶν τεσσάρων ζῴων καὶ τῶν πρεσβυτέρων, καὶ οὐδεὶς ἐδύνατο μαθεῖν τὴν ᾠδὴν εἰ μὴ αἱ ἑκατὸν τεσσεράκοντα τέσσαρες χιλιάδες οἱ ἠγορασμένοι ἀπὸ τῆς γῆς.
They sing a new song before the throne, and before the four living creatures and the elders. No one could learn the song except the one hundred forty-four thousand, those who had been redeemed out of the earth.
Adjective: Nominative Plural Feminine

Revelation 19:4 καὶ ἔπεσαν οἱ πρεσβύτεροι οἱ εἴκοσι τέσσαρες καὶ τὰ τέσσαρα ζῷα καὶ προσεκύνησαν τῷ θεῷ τῷ καθημένῳ ἐπὶ τῷ θρόνῳ λέγοντες, ἀμήν ἁλληλουϊά,
The twenty-four elders and the four living creatures fell down and worshiped God who sits on the throne, saying, "Amen! Hallelujah!"
Adjective: Nominative Plural Masculine