Modifiers matching illness:

• cardiac,
• chronic,
• periodontal,
• malignant,
• serious,
• acute,
• respiratory,
• compromising,
• physical,
• adverse,
• vascular,
• hepatic,
• systemic,
• neuropsychiatric,
• biological,
• pancreatic,
• dermatologic,
• animal,
• environmental,
• debilitating,
• genetic,
• asymptomatic,
• severe,
• important,
• bad,
• traditional,
• frightening,
• critical,
• painful,
• episodic,
• strange,
• underlying,
• minor,
• contagious,
• curable,
• organic,
• infective,
• suppurative,
• sudden,
• psychological,
• prevalent,
• somatic,
• gastric,
• rheumatic,
• immunological,
• cerebral,
• diverse,
• transmissible,
• persistent,
• logical,
• inflammatory,
• dental,
• harmful,
• complex,
• catabolic,
• circulatory,
• psychiatric,
• potential,
• transitory,
• past,
• scary,
• metabolic,
• infectious,
• deadly,
• variable,
• rickettsial,
• cardiovascular,
• induced,
• possible,
• pathologic,
• viral,
• behavioral,
• extreme,
• lifelong,
• pulmonary,
• preexisting,
• devastating,
• hot,
• western,
• aggressive,
• airborne,
• occupational,
• noninfectious,
• world,
• musculoskeletal,
• active,
• identifiable,
• primary,
• real,
• neurological,
• clinical,
• expensive,
• biochemical,
• intractable,
• heavy,
• cold,
• advanced,
• permanent,
• untreated,
• urgent,
• external,
• industrial,
• invisible,
• crippling,
• physiologic,
• widespread,
• rash,
• rare,
• paralytic,
• temporary,
• gynaecological,
• recurrent,
• invasive,
• single,
• irreversible,
• stable,
• tragic,
• functional,
• relevant,
• tropical,
• geriatric,
• concomitant,
• dangerous,
• diarrhoeal,
• light,
• sundry,
• unpredictable,
• opportunistic,
• routine,
• nervous,
• feline,
• protozoal,
• toxic,
• surgical,
• allergic,
• threatening,
• related,
• african,
• difficult,
• current,
• haematological,
• changing,
• dermatological,
• complicated,
• abdominal,
• autoimmune,
• febrile,
• renal,
• foreign,
• key,
• benign,
• terrible,
• acid,
• simple,
• immunosuppressive,
• digestive,
• incurable,
• concurrent,
• general,
• ancient,
• acquired,
• horrible,
• hereditary,
• cyclical,
• usual,
• feverous,
• pneumococcal,
• progressive,
• multiple,
• everyday,
• adult,
• sexual,
• natural,
• developing,
• degenerative,
• undiagnosed,
• enteric,
• basic,
• particular,
• gastrointestinal,
• familiar,
• fatal,
• dry,
• common,
• bacterial,
• contributing,
• multifactorial,
• mental,
• communicable,
• challenging,
• ongoing,
• ordinary,
• discrete,
• destructive,
• secondary,
• individual,
• morbid,
• catastrophic,
• transient,
• waterborne,
• reversible,
• exotic,
• epidemic,
• latent,
• social,
• pediatric,
• new,
• interesting,
• significant,
• miscellaneous,
• traumatic,
• preventable,
• nasty,
• female,
• cutaneous,
• unusual,
• contemporary,
• diarrheal,
• visual,
• unexpected,
• hematologic,
• lethal,
• diagnostic,
• european,
• personal,
• uterine,
• prolonged,
• internal,
• endemic,
• nutritional,
• medical,
• over,
• pandemic,
• cachectic,
• surrounding,
• damaging,
• experienced,
• parasitic,
• intestinal,
• psychotic,
• immediate,
• physiological,
• seasonal,
• costly,
• modern,
• milder,
• paediatric,
• maternal,
• psychosomatic,
• motor,
• immune,
• noncommunicable,
• neurologic,
• hidden,
• major,
• reproductive,
• noncontagious,

Simple categories matching febrile:

• illness,
• disorder,
• disease,
• condition,
• malady,
• complaint,
• infection,