Modifiers matching opiate:

• exogenous,
• addictive,
• prescribed,
• analgesic,
• potent,
• common,
• synthetic,
• lipophilic,
• illegal,
• natural,
• traditional,
• semisynthetic,
• hydrophilic,
• oral,
• pure,
• medicinal,
• pharmaceutical,
• individual,
• narcotic,
• illicit,
• iv,
• powerful,
• conventional,
• strong,
• heavy,
• medical,
• external,

Simple categories matching addictive:

• pattern,
• property,
• drug,
• substance,
• stage,
• analgesic,
• product,
• behaviour,
• poison,
• amphetamine,
• alkaloid,
• barbiturate,
• medication,
• chemical,
• behavior,
• taste,
• disorder,
• medicine,
• emotion,
• process,
• activity,
• condition,
• stimulant,
• agent,
• pastry,
• vice,
• sedative,
• benzodiazepine,
• food,
• opiate,
• compound,
• state,
• narcotic,
• material,
• foodstuff,
• form,
• peptide,
• painkiller,