Modifiers matching arthritis:

• septic,
• primary,
• systemic,
• metabolic,
• inflammatory,
• transient,
• degenerative,
• active,
• noninfectious,
• adult,
• induced,
• severe,
• preexisting,
• underlying,
• acute,

Simple categories matching underlying:

• manifestation,
• condition,
• disease,
• characteristic,
• concept,
• collateral,
• compartment,
• illness,
• transport,
• incident,
• entity,
• pathology,
• disorder,
• diathesis,
• idea,
• device,
• support,
• investment,
• structure,
• surface,
• payoff,
• server,
• biotechnology,
• fact,
• tissue,
• variable,
• process,
• assets,
• data,
• phenomenon,
• complication,
• insurance,
• commodity,
• cause,
• contract,
• relationship,
• signal,
• medium,
• layer,
• notion,
• disposition,
• motive,
• misconduct,
• attitude,
• development,
• tax,
• malignancy,
• arthritis,
• technology,
• holding,
• interaction,
• agreement,
• ownership,
• agent,
• area,
• values,
• catastrophe,
• construction,
• force,
• tumor,
• issue,
• content,
• software,
• abnormality,
• system,
• cancer,
• part,
• lesion,
• protocol,
• substance,
• allergy,
• receptacle,
• partnership,
• instrument,
• material,
• factor,
• organs,
• psychosis,
• theory,
• mechanism,
• value,
• end,
• distribution,
• fraud,
• state,
• property,
• offense,
• quality,
• object,
• measure,
• terms,
• sediment,
• theme,
• deformity,
• meaning,
• base,
• skill,
• item,
• behavior,
• emotion,
• shape,
• section,
• act,
• deposit,
• table,
• activity,
• situation,
• fibrosis,
• input,
• file,
• addiction,
• network,
• skin,
• ailment,
• market,
• intervention,
• cognition,
• rock,
• share,
• ratio,
• course,
• hypersensitivity,
• symptom,
• resource,
• impairment,
• work,
• anemia,
• arrangement,
• ability,
• feature,
• documentation,
• document,
• product,
• component,
• crime,
• headache,
• transaction,
• reason,
• trait,
• difficulty,
• attribute,
• problem,
• disturbance,
• hazard,
• principle,
• security,
• metal,
• infection,
• dermatosis,
• inflammation,
• event,
• works,
• substrate,
• task,
• film,
• connection,
• difference,
• fear,
• image,
• interest,
• right,
• action,
• felony,
• mineral,
• seizure,
• asset,
• determinant,
• discipline,
• index,
• hardware,
• liabilities,