Exodus 20:5
5 iYou shall not bow down to them or serve them, for I the Lord your God am a jjealous God, kvisiting the iniquity of the fathers on the children to the third and fourth generation of those who hate me,
Exodus 34:14
14 (for gyou shall worship no other god, for the Lord, whose name is hJealous, is a jealous God),
Joshua 24:19
19 But Joshua said to the people, “You are not able to serve the Lord, for he is a yholy God. He is a zjealous God; ahe will not forgive your transgressions or your sins.
Nahum 1:2
God’s Wrath Against Nineveh
2 The Lord is a djealous and eavenging God;
the Lord is avenging and wrathful;
the Lord takes vengeance on his adversaries
and keeps wrath for his enemies.
