Mark 14:68 ὁ δὲ ἠρνήσατο λέγων· οὔτε οἶδα οὔτε ἐπίσταμαι σὺ τί λέγεις. καὶ ἐξῆλθεν ἔξω εἰς τὸ προαύλιον. [καὶ ἀλέκτωρ ἐφώνησεν]
But he denied it, saying, "I neither know, nor understand what you are saying." He went out on the porch, and the rooster crowed.
Noun: Nominative Singular Masculine

Mark 14:72 καὶ εὐθὺς ἐκ δευτέρου ἀλέκτωρ ἐφώνησεν. καὶ ἀνεμνήσθη ὁ Πέτρος τὸ ῥῆμα ὡς εἶπεν αὐτῷ ὁ Ἰησοῦς ὅτι πρὶν ἀλέκτορα δὶς ⇔ φωνῆσαι τρίς με ἀπαρνήσῃ· καὶ ἐπιβαλὼν ἔκλαιεν.
The rooster crowed the second time. Peter remembered the word, how that Jesus said to him, "Before the rooster crows twice, you will deny me three times." When he thought about that, he wept.
Noun: Nominative Singular Masculine

Luke 22:34 ὁ δὲ εἶπεν· λέγω σοι, Πέτρε, οὐ φωνήσει σήμερον ἀλέκτωρ ἕως τρίς με ἀπαρνήσῃ εἰδέναι.
He said, "I tell you, Peter, the rooster will by no means crow today until you deny that you know me three times."
Noun: Nominative Singular Masculine

Luke 22:60 εἶπεν δὲ ὁ Πέτρος· ἄνθρωπε, οὐκ οἶδα ὃ λέγεις. καὶ παραχρῆμα ἔτι λαλοῦντος αὐτοῦ ἐφώνησεν ἀλέκτωρ.
But Peter said, "Man, I don't know what you are talking about!" Immediately, while he was still speaking, a rooster crowed.
Noun: Nominative Singular Masculine

John 13:38 ἀποκρίνεται Ἰησοῦς· τὴν ψυχήν σου ὑπὲρ ἐμοῦ θήσεις; ἀμὴν ἀμὴν λέγω σοι, οὐ μὴ ἀλέκτωρ φωνήσῃ ἕως οὗ ἀρνήσῃ με τρίς.
Jesus answered him, "Will you lay down your life for me? Most certainly I tell you, the rooster won't crow until you have denied me three times.
Noun: Nominative Singular Masculine

John 18:27 πάλιν οὖν ἠρνήσατο Πέτρος, καὶ εὐθέως ἀλέκτωρ ἐφώνησεν.
Peter therefore denied it again, and immediately the rooster crowed.
Noun: Nominative Singular Masculine