New International Version
He will suck the poison of serpents; the fangs of an adder will kill him.

American Standard Version
He shall suck the poison of asps: The viper's tongue shall slay him.

Berean Study Bible
He will suck the poison of cobras; the fangs of a viper will kill him.

Douay-Rheims Bible
He shall suck the head of asps, and the viper's tongue shall kill him.

English Revised Version
He shall suck the poison of asps: the viper's tongue shall slay him.

King James Bible
He shall suck the poison of asps: the viper's tongue shall slay him.

World English Bible
He shall suck cobra venom. The viper's tongue shall kill him.

Young's Literal Translation
Gall of asps he sucketh, Slay him doth the tongue of a viper.

Job 20:16 Additional Translations ...