berserk

Words with a similar base: berserk, berserker

'berserk'

[berserker.n.01] as in: one of the ancient Norse warriors legendary for working themselves into a frenzy before a battle and fighting with reckless savagery and insane fury

'berserk'

[amuck.s.01] as in: frenzied as if possessed by a demon

---

Examples:
the soldier was completely amuck
berserk with grief
a berserk worker smashing windows