Modifiers matching antigen:

• exogenous,
• proteinaceous,
• innocuous,
• foreign,
• endogenous,
• harmless,
• simple,
• perennial,
• lethal,
• free,
• microbial,
• environmental,
• strong,
• indoor,
• diverse,
• noninfectious,
• single,
• harmful,
• particulate,
• viral,
• small,
• extrinsic,
• dangerous,
• nutritional,
• outdoor,
• several,
• oral,
• extraneous,
• outside,
• infectious,
• bacterial,
• internal,
• soluble,
• active,
• peripheral,
• main,
• possible,

Simple categories matching several:

• facility,
• anomaly,
• trait,
• discipline,
• room,
• part,
• carbonyl,
• philosophy,
• method,
• unit,
• article,
• material,
• compound,
• contest,
• attribute,
• religion,
• process,
• substrate,
• implementation,
• item,
• sector,
• bovine,
• hotel,
• structure,
• belief,
• condition,
• profession,
• establishment,
• object,
• service,
• form,
• sport,
• hospital,
• metal,
• activity,
• characteristic,
• fruit,
• years,
• college,
• game,
• touch,
• event,
• feature,
• surface,
• section,
• antigen,
• initiative,
• institution,
• fibre,
• chemical,
• vessel,
• piece,
• point,
• joint,
• polymer,
• equipment,
• source,
• file,
• factory,
• palace,
• line,
• layer,
• science,
• industry,
• behavior,
• mosque,
• outbuilding,
• solvent,
• liquid,
• stuff,
• pattern,
• disease,
• quality,
• system,
• magazine,
• project,
• substance,
• means,
• band,
• regiment,
• concept,
• issue,
• organization,
• hormone,
• program,
• theme,
• change,
• pathology,
• molecule,
• level,
• group,
• university,
• museum,
• infection,
• practice,
• building,
• tradition,
• product,
• entity,
• commodity,
• abnormality,
• challenge,
• output,
• fuel,
• arrangement,
• weapon,
• subsystem,
• area,
• complication,
• property,
• indicator,
• thought,
• contaminant,
• sorbent,
• hall,
• specific,
• details,
• outlet,
• devices,
• measure,
• use,
• market,
• location,
• depot,
• tetracycline,
• option,
• restriction,
• fixture,
• component,
• shop,
• place,
• business,
• monument,
• medium,
• thing,
• procedure,
• organisation,
• gem,