The patient complained of 'sickness' [='nausea'] and stomach pains.
She missed work due to 'sickness'. [='illness']
He died from an unknown 'sickness'.
(..) And she... died. Sick people die. Sometimes they-they die. She died 'cause of... Because of her, uh... Because of the sickness. She slit her wrists. She killed herself. That's what happened. Or that. Excuse me. - Here you go, sweetie. (..)2016 Captain Fantastic
(..) It won't happen again. Okay. Dad, how did aunt Leslie die? Well, aunt Leslie was sick, and she had complications from her sickness. Yeah. She had a mental illness. Bipolar affective disorder. We think it started right after Bo was born. (..)2016 Captain Fantastic