The patient complained of 'sickness' [='nausea'] and stomach pains.
She missed work due to 'sickness'. [='illness']
He died from an unknown 'sickness'.
(..) ELROND: Have you forgotten? A strain of madness runs deep in that family. His grandfather lost his mind. His father succumbed to the same sickness. Can you swear Thorin Oakenshield... ...will not also fall? JACKSON: Great. We can cut that script. Thank you very much. Shh. (..)2012 The Hobbit: An Unexpected Journey