Numbers 8:26
BIB: וְשֵׁרֵ֨ת אֶת־ אֶחָ֜יו
NAS: They may, however, assist their brothers
KJV: But shall minister with their brethren
INT: assist for their brothers

Deuteronomy 18:7
BIB: וְשֵׁרֵ֕ת בְּשֵׁ֖ם יְהוָ֣ה
NAS: then he shall serve in the name
KJV: Then he shall minister in the name
INT: shall serve the name of the LORD