Mark 14:70

But again he denied it. After a little while, the bystanders again said to Peter, “You are in fact one of them, for [it is clear from your accent, that] you are a Galilean, too.”

Acts 2:7

They were completely astonished, saying, “Look! Are not all of these who are speaking Galileans?

Judges 12:6

they said to him, “Then say ‘Shibboleth.’” And he said, “Sibboleth,” for he could not pronounce it correctly. Then they seized him and killed him at the fords of the Jordan. At that time forty-two thousand of the Ephraimites fell.

Matthew 26:73-74

After a little while the bystanders came up and said to Peter, “Surely you are one of them too; for even your [Galilean] accent gives you away.”

Mark 14:68

But he denied it, saying, “I neither know nor understand what you are talking about.” Then he went out [of the courtyard] to the porch, [and a rooster crowed.]

Luke 22:59-60

After about an hour had passed, another man began to insist, “This man was with Him, for he is a Galilean too.”

John 18:26-27

One of the high priest’s servants, a relative of the one whose ear Peter cut off, said, “Did I not see you with Him in the garden?”

Treasury of Scripture Knowledge

Summary

And he denied it again. And a little after, they that stood by said again to Peter, Surely thou art one of them: for thou art a Galilaean, and thy speech agreeth thereto.

Bible References

A little

Matthew 26:73
After a little while the bystanders came up and said to Peter, “Surely you are one of them too; for even your [Galilean] accent gives you away.”
Luke 22:59
After about an hour had passed, another man began to insist, “This man was with Him, for he is a Galilean too.”
John 18:26
One of the high priest’s servants, a relative of the one whose ear Peter cut off, said, “Did I not see you with Him in the garden?”

For

Judges 12:6
they said to him, “Then say ‘Shibboleth.’” And he said, “Sibboleth,” for he could not pronounce it correctly. Then they seized him and killed him at the fords of the Jordan. At that time forty-two thousand of the Ephraimites fell.
Acts 2:7
They were completely astonished, saying, “Look! Are not all of these who are speaking Galileans?