Modifiers matching tumour:

• hepatic,
• gynaecological,
• solid,
• unusual,
• malignant,
• benign,
• accessible,
• mixed,
• primary,
• hematological,
• spinal,
• haematological,
• incurable,
• visceral,
• secondary,
• vascular,
• pelvic,
• neural,
• animal,
• adrenal,
• angiomatous,
• paediatric,
• rare,
• cutaneous,
• neuronal,
• pleural,
• cerebellar,
• epithelial,
• common,
• metastatic,
• orbital,
• liquid,
• skeletal,
• cardiac,
• fatty,
• ocular,
• endocrine,
• ovarian,
• neuroendocrine,
• gastric,
• gastrointestinal,
• cerebral,
• moving,
• cystic,
• intracranial,
• recurrent,
• special,
• difficult,
• anal,
• cartilaginous,
• serious,
• resistant,
• peripheral,
• complex,
• pediatric,
• diverse,

Simple categories matching serious:

• illness,
• disease,
• issue,
• writing,
• form,
• infection,
• work,
• nature,
• happening,
• condition,
• assault,
• cancer,
• endeavor,
• crime,
• effort,
• disorder,
• substance,
• enjoyment,
• misbehaviour,
• need,
• measure,
• danger,
• agent,
• phobia,
• accident,
• disturbance,
• pain,
• offense,
• threat,
• interaction,
• storm,
• offence,
• morbidity,
• situation,
• injury,
• topic,
• imperfection,
• tale,
• dance,
• ailment,
• game,
• difficulty,
• trauma,
• scholar,
• challenge,
• problem,
• abnormality,
• felony,
• entity,
• calamity,
• pains,
• material,
• setback,
• bacteria,
• act,
• story,
• intervention,
• blemish,
• sickness,
• misconduct,
• stage,
• idea,
• pathogen,
• defect,
• title,
• user,
• thing,
• trouble,
• hazard,
• profession,
• weapon,
• evil,
• flaw,
• science,
• drug,
• casualty,
• sanction,
• status,
• circumstances,
• transgression,
• activity,
• virus,
• animal,
• mishap,
• grounds,
• behavior,
• violence,
• error,
• delinquent,
• diversion,
• surgery,
• event,
• malady,
• promise,
• consequence,
• case,
• system,
• sector,
• trait,
• aberration,
• harassment,
• violation,
• attack,
• incident,
• passion,
• subject,
• journal,
• theme,
• content,
• piece,
• operation,
• music,
• state,
• symptom,
• allergy,
• drama,
• program,
• works,
• malpractice,
• behaviour,
• wound,
• participation,
• gathering,
• penalty,
• ceremony,
• reaction,
• help,
• complication,
• action,
• attempt,
• sin,
• disruption,
• matter,
• cause,
• professional,
• occurrence,
• conduct,
• tumour,
• mistake,
• study,
• application,
• occasion,
• stuff,
• result,
• infringement,
• stimulant,
• malignancy,
• addiction,
• upheaval,
• conflict,
• headache,
• procedure,
• phenomenon,
• information,
• std,
• narcotic,
• enterprise,
• misdeed,
• complaint,
• damage,
• experience,
• injustice,
• point,
• business,
• zoonosis,
• wrongdoing,
• infraction,
• harm,
• disaster,
• constraint,
• pathology,
• song,
• larceny,
• charge,
• forum,
• tendency,
• malfunction,
• loss,
• failure,
• emotion,
• discipline,
• arrhythmia,
• document,
• handicap,
• manifestation,
• disability,
• misfortune,
• abuse,
• development,
• contagion,
• indiscipline,
• reader,
• risk,
• item,
• end,