Modifiers matching antigen:

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

Simple categories matching oral:

• medication,
• benzodiazepine,
• antiviral,
• behavior,
• infection,
• antimalarial,
• agent,
• anticoagulant,
• anesthetic,
• area,
• analgesic,
• antihistamine,
• composition,
• opiate,
• disease,
• sedative,
• condition,
• structure,
• antibiotic,
• antimicrobial,
• malady,
• immunosuppressant,
• lesion,
• tranquilizer,
• epithelium,
• problem,
• anticonvulsant,
• medium,
• painkiller,
• work,
• remedy,
• care,
• drug,
• sulfonylurea,
• procedure,
• production,
• practice,
• response,
• preparation,
• antifungal,
• works,
• appliance,
• narcotic,
• virus,
• glucocorticoid,
• tradition,
• surface,
• immunosuppressive,
• cephalosporin,
• characteristic,
• complication,
• region,
• diuretic,
• dosage,
• anxiolytic,
• sign,
• nsaid,
• irritation,
• antihypertensive,
• text,
• organs,
• communication,
• presentation,
• fluid,
• abnormality,
• secretion,
• mixture,
• use,
• literature,
• activity,
• language,
• surgery,
• event,
• dose,
• genre,
• antigen,
• vasodilator,
• effector,
• glycoside,
• candidiasis,
• narrative,
• habit,
• statement,
• mucosa,
• message,
• bronchodilator,
• carcinogen,
• tissue,
• behaviour,
• moniliasis,
• treatment,
• corticosteroid,
• disorder,
• pathology,
• task,
• tale,
• therapy,
• antibacterial,
• document,
• medicine,
• speech,
• expression,
• cause,
• component,
• steroid,
• exchange,
• revelation,
• symptom,
• antidiabetic,
• neoplasm,