American Standard Version
His mouth was smooth as butter, But his heart was war: His words were softer than oil, Yet were they drawn swords.

Berean Study Bible
His speech is smooth as butter, but war is in his heart. His words are softer than oil, yet they are swords unsheathed.

Douay-Rheims Bible
they are divided by the wrath Of his countenance, and his heart hath drawn near. His words are smoother than oil, and the same are darts.

English Revised Version
His mouth was smooth as butter, but his heart was war: his words were softer than oil, yet were they drawn swords.

King James Bible
The words of his mouth were smoother than butter, but war was in his heart: his words were softer than oil, yet were they drawn swords.

World English Bible
His mouth was smooth as butter, but his heart was war. His words were softer than oil, yet they were drawn swords.

Young's Literal Translation
Sweeter than honey hath been his mouth, And his heart is war! Softer have been his words than oil, And they are drawn swords.

Psalm 55:21 Additional Translations ...