Job 20:16 He shall suck cobra venom. The viper's tongue shall kill him. (WEB KJV JPS ASV DBY WBS NAS)
Psalms 140:3 They have sharpened their tongues like a serpent. Viper's poison is under their lips. Selah. (WEB)
Isaiah 11:8 The nursing child will play near a cobra's hole, and the weaned child will put his hand on the viper's den. (WEB DBY NAS NIV)