A hill-country accent cost 42,000 Jews their lives. A Jewish commander name Jephthah had a grudge against the tribe of Ephraim for not helping him during a battle. He knew they couldn’t pronounce the “h” sound. He arrested their people at a border crossing. If they pronounced Shibboleth as Sibboleth, he killed them (Judges 12:6 NLT). Strange and Mysterious Stuff in the Bible, p. 17.