Genesis 4:8 shows Cain's concealed hatred leading to murder—a prime example of hidden wickedness exposed later.

In 1 Samuel 18:17, Saul hides his hatred by offering his daughter, but his murderous intent becomes public—fulfilling the proverb's pattern.

1 Samuel 18:21 again shows Saul covering hatred with a marriage offer, exemplifying deceitful hatred eventually exposed.

Joab kills Abner under pretext in 2 Samuel 3:27-30, then the murder is revealed—a clear case of hidden hatred brought to light.

Absalom hides his hatred for Amnon for two years (2 Samuel 13:22-28) before killing him, illustrating concealed malice exposed.

Psalm 55:21-23 describes a friend with smooth speech but war in heart—a direct portrait of the deceitful hatred the proverb warns about.