Distribution of the word across the Bible: Judges (1)
Judges 12:6 — Then said they unto him, Say now Shibboleth: and he said Sibboleth (סִבֹּ֗לֶת): 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.