Cross reference
Matthew 26:73
73 After a little while those who stood by came and said to Peter, "Surely you are also one of them, for your speech makes you known."
Judges 12:6
6 then said they to him, Say now Shibboleth; and he said Sibboleth; for he couldn't manage to pronounce it right: then they laid hold on him, and killed him at the fords of the Jordan. There fell at that time of Ephraim forty-two thousand.
Nehemiah 13:24
24 and their children spoke half in the speech of Ashdod, and could not speak in the Jews' language, but according to the language of each people.
Luke 22:59-60
59 After about one hour passed, another confidently affirmed, saying, "Truly this man also was with him, for he is a Galilean!"
60 But Peter said, "Man, I don't know what you are talking about!" Immediately, while he was still speaking, a rooster crowed.
John 18:26-27
26 One of the servants of the high priest, being a relative of him whose ear Peter had cut off, said, "Didn't I see you in the garden with him?"
27 Peter therefore denied it again, and immediately the rooster crowed.