10 letters · 25 points in Scrabble
noun someone with a sociopathic personality; a person with an antisocial personality disorder (`psychopath' was once widely used but has now been superseded by `sociopath')
originFrom German psychopathisch, from Ancient Greek ψυχή (psukhḗ, “soul”) + πάθος (páthos, “suffering”).
Etymology from Wiktionary, CC BY-SA 3.0