11 letters · 18 points in Scrabble
noun a state of extreme confusion and disorder
originCoined by John Milton in Paradise Lost as Pandæmonium, from Ancient Greek πᾶν (pân, “all”) (equivalent to pan-) + Late Latin daemonium (“evil spirit, demon”), from Ancient Greek δαιμόνιον (daimónion, “deity”).
Etymology from Wiktionary, CC BY-SA 3.0