Strong H6620פֶּ֫תֶן

cobra

Definition

From an unused root meaning to twist; an asp (from its contortions): - adder.

1) a snake, venomous serpent
1a) perhaps the cobra, adder, or viper

Strong H6620 appears in 6 verses of the KJV.

Deuteronomy 32:33
Their wine is the poison of dragons, and the cruel venom of asps.
Job 20:14
Yet his meat in his bowels is turned, it is the gall of asps within him.
Job 20:16
He shall suck the poison of asps: the viper’s tongue shall slay him.
Psalms 58:4
Their poison is like the poison of a serpent: they are like the deaf adder that stoppeth her ear;
Psalms 91:13
Thou shalt tread upon the lion and adder: the young lion and the dragon shalt thou trample under feet.
Isaiah 11:8
And the sucking child shall play on the hole of the asp, and the weaned child shall put his hand on the cockatrice’ den.