Modifiers matching cause:

• external,
• nonphysical,
• natural,
• holy,
• extraterrestrial,
• mental,
• intracranial,
• underlying,
• assignable,
• innocent,
• structural,
• dramatic,
• valuable,
• grassroots,
• physical,
• dental,
• cardiac,
• possible,
• organic,
• related,
• proximal,
• nonsurgical,
• objective,
• unavoidable,
• logical,
• chronic,
• exterior,
• intelligent,
• historical,
• gynecological,
• musculoskeletal,
• environmental,
• internal,
• hormonal,
• common,
• malignant,
• gastrointestinal,
• unnatural,
• auxiliary,
• unpopular,
• charitable,
• moral,
• prenatal,
• noble,
• hemodynamic,
• meteorological,
• viral,
• anthropogenic,
• cardiovascular,
• intentional,
• maternal,
• neutral,
• everyday,
• sudden,
• tangible,
• induced,
• violent,
• symptomatic,
• separate,
• ordinary,
• popular,
• alternative,
• scientific,
• obstetric,
• random,
• mystical,
• primary,
• immoral,
• corrosive,
• normal,
• broad,
• sensitive,
• democratic,
• invisible,
• distinct,
• pathologic,
• immediate,
• secondary,
• identifiable,
• illegal,
• persistent,
• infrequent,
• extraneous,
• electrical,
• occupational,
• exciting,
• worthy,
• dynamical,
• important,
• emotional,
• specified,
• involuntary,
• hidden,
• indian,
• secular,
• clear,
• nonspecific,
• reasonable,
• subjective,
• shared,
• molecular,
• benevolent,
• local,
• legal,
• medical,
• complex,
• temporary,
• usual,
• bacterial,
• negative,
• rightist,
• neurological,
• unpredictable,
• level,
• up,
• spinal,
• inflammatory,
• infectious,
• neurologic,
• political,
• favorite,
• genetic,
• seasonal,
• conservative,
• social,
• agricultural,
• irreversible,
• traditional,
• noninfectious,
• acquired,
• special,
• biological,
• vascular,
• inner,
• healthy,
• unexpected,
• desirable,
• real,
• catastrophic,
• evolutionary,
• clinical,
• mechanical,
• animal,
• preventable,
• acute,
• essential,
• concomitant,
• central,
• supporting,
• public,
• toxic,
• unethical,
• traumatic,
• abnormal,
• higher,
• smaller,
• basic,
• significant,
• permanent,
• supernatural,
• indirect,
• uncontrollable,
• deliberate,
• potential,
• exogenous,
• microbial,
• particular,
• infective,
• oral,
• unforeseeable,
• positive,
• personal,
• endogenous,
• inborn,
• humanitarian,
• financial,
• evil,
• allergic,
• malicious,
• outside,
• religious,
• weather,
• harmful,
• anatomical,
• nasty,
• artificial,
• direct,
• pathological,
• postoperative,
• correctable,
• fundamental,
• behavioural,
• multiple,
• festive,
• familiar,
• practical,
• irritating,
• chemical,
• accidental,
• psychiatric,
• etiologic,
• multifactorial,
• electronic,
• miscellaneous,
• technical,
• general,
• diverse,
• postnatal,
• serious,
• large,
• physiologic,
• mundane,
• typical,
• inanimate,
• discrete,
• out,
• relevant,
• individual,
• psychosomatic,
• metabolic,
• dangerous,
• philanthropic,
• ocular,
• universal,
• undesirable,
• major,
• psychological,
• extraordinary,
• geographic,
• abstract,
• functional,
• economic,
• congenital,
• formal,
• systemic,
• transient,
• anatomic,
• islamic,
• threatening,
• original,
• lethal,
• rural,
• domestic,
• vague,
• exotic,
• communal,
• controllable,
• simple,
• strong,
• pelvic,
• single,
• good,
• inevitable,
• unusual,
• parasitic,
• larger,
• cultural,
• constructive,
• visible,
• physiological,
• benign,
• rare,
• reversible,
• stable,

Simple categories matching gastrointestinal:

• disorder,
• cause,
• pathogen,
• problem,
• symptom,
• complaint,
• reaction,
• procedure,
• disease,
• cancer,
• abnormality,
• endoscopy,
• dysfunction,
• event,
• germ,
• malignancy,
• response,
• system,
• pathology,
• motility,
• inflammation,
• blockage,
• discomfort,
• testing,
• tumor,
• condition,
• tumour,
• upset,
• malady,
• illness,
• proteinase,
• complication,
• infection,
• lesion,
• investigation,
• surgery,