Mark 14:70

But he again denied it. And after a little while again they that stood by said to Peter, of a truth thou art one of them; for thou art a Galilaean.

Acts 2:7

And they were all amazed and marvelled, saying, Behold, are not all these that speak Galilaeans?

Judges 12:6

then said they unto him, Say now Shibboleth; and he said Sibboleth; for he could not frame to pronounce it right: then they laid hold on him, and slew him at the fords of the Jordan. And there fell at that time of Ephraim forty and two thousand.

Matthew 26:73-74

And after a little while they that stood by came and said to Peter, Of a truth thou also art one of them; for thy speech maketh thee known.

Mark 14:68

But he denied, saying, I neither know, nor understand what thou sayest: and he went out into the porch; and the cock crew.

Luke 22:59-60

And after the space of about one hour another confidently affirmed, saying, Of a truth this man also was with him; for he is a Galilaean.

John 18:26-27

One of the servants of the high priest, being a kinsman of him whose ear Peter cut off, saith, Did not I see thee in the garden with him?

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
And after a little while they that stood by came and said to Peter, Of a truth thou also art one of them; for thy speech maketh thee known.
Luke 22:59
And after the space of about one hour another confidently affirmed, saying, Of a truth this man also was with him; for he is a Galilaean.
John 18:26
One of the servants of the high priest, being a kinsman of him whose ear Peter cut off, saith, Did not I see thee in the garden with him?

For

Judges 12:6
then said they unto him, Say now Shibboleth; and he said Sibboleth; for he could not frame to pronounce it right: then they laid hold on him, and slew him at the fords of the Jordan. And there fell at that time of Ephraim forty and two thousand.
Acts 2:7
And they were all amazed and marvelled, saying, Behold, are not all these that speak Galilaeans?

American Standard Version Public Domain