Modifiers matching hypnotic:

• natural,
• prescribed,
• conventional,
• older,
• potent,

Simple categories matching potent:

• androgen,
• protein,
• opiate,
• drug,
• antipsychotic,
• molecule,
• steroid,
• agent,
• medication,
• material,
• amphetamine,
• agonist,
• antimicrobial,
• substance,
• chemical,
• glucocorticoid,
• narcotic,
• property,
• neuroleptic,
• alkaloid,
• stimulant,
• diuretic,
• corticoid,
• statin,
• compound,
• hallucinogen,
• antibiotic,
• medicine,
• hormone,
• analgesic,
• anticholinergic,
• inducer,
• activity,
• corticosteroid,
• dose,
• form,
• painkiller,
• ligand,
• toxin,
• hypnotic,
• pharmaceutical,
• anaesthetic,
• immunosuppressant,
• phenomenon,
• benzodiazepine,
• activator,
• vasodilator,
• inhibitor,
• anesthetic,
• potable,