Judges 12:6

they told him, “Please say Shibboleth.” If he said, “Sibboleth,” because he could not pronounce it correctly, they seized him and killed him at the fords of the Jordan. So at that time 42,000 Ephraimites were killed.
BSB · Berean Standard Bible
Then said they unto him, Say now Shibboleth: and he said Sibboleth: for he could not frame to pronounce it right. Then they took him, and slew him at the passages of Jordan: and there fell at that time of the Ephraimites forty and two thousand.
KJV · King James Version
then they said to him, “Now say ‘Shibboleth;’” and he said “Sibboleth”; for he couldn’t manage to pronounce it correctly, then they seized him and killed him at the fords of the Jordan. At that time, forty-two thousand of Ephraim fell.
WEB · World English Bible
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.
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

Say now
Matthew 26:73; Mark 14:70
Shibboleth
which signifieth a stream, or flood.
Psalm 69:2, 15; Isaiah 27:12
there fell
Proverbs 17:14; Proverbs 18:19; Ecclesiastes 10:12; Matthew 12:25; Galatians 5:15