Where it appears

• Prov 23:32In the end, it bites like a snake, and poisons like a viper.
• Isa 11:8The nursing child will play near a cobra’s hole, and the weaned child will put his hand on the viper’s den.
• Isa 14:29Don’t rejoice, O Philistia, all of you, because the rod that struck you is broken; for out of the serpent’s root an adder will emerge, and his fruit will be a fiery flying serpent.
• Isa 59:5They hatch adders’ eggs, and weave the spider’s web. He who eats of their eggs dies; and that which is crushed breaks out into a viper.
• Jer 8:17“For, behold, I will send serpents, adders among you, which will not be charmed; and they shall bite you,” says Yahweh.