Simple categories matching illicit:

• drug,
• substance,
• compound,
• neurotoxin,
• practice,
• activity,
• drink,
• narcotic,
• material,
• business,
• endeavor,
• behavior,
• weaponry,
• opiate,
• conduct,
• article,
• commodity,
• amphetamine,
• stimulant,

Members with property illicit:

• hallucinogen,
• precursor_chemical,
• heroin,
• cocaine,
• opiate,
• narcotic_production,
• amphetamine,
• illicit_amphetamine,
• hashish,
• burglary,
• designer-drug_xtc,
• gem,
• quaalude,
• ecstasy,
• marijuana,
• methamphetamine,
• cannabis,
• ecstasy_mdma,
• gambling,
• hazardous_labour,
• ore_enrichment,
• sedative_hypnotic,
• drug_use,
• pcp,
• ganja_cultivation,
• arms_trade,
• objectionable_material,
• opium_trade,
• plastic,
• inhalant,
• illegal_drug,
• explosive_devices,
• lsd,
• breaking,
• small_arms,
• industrial_alcohol,
• popper,
• phencyclidine,
• alcohol_consumption,
• opiate_heroin,
• crack_cocaine,
• production,
• ecstasy_pill,
• psilocybin,
• dangerous_solvent,
• ketamine,
• pcp_phencyclidine,
• illegal_fishing,
• insulin,
• logging,
• telemarketing_scam,
• psychotropic_drug,
• cigarette,
• possession,
• prostitution_house,
• drug_trade,
• purchase,
• plutonium,
• fighting,
• psychedelic_mushroom,
• diet_pill,
• corruption,
• computer_misuse,
• testosterone,
• speed_amphetamine,
• terrorism,
• weapon_sales,
• anabolic_agent,
• international_crime,
• inhalant_petrol,
• physical_neglect,
• prostitution,
• narcotic_drug,
• marihuana,
• ice,
• extortion,
• bribery,
• uranium,
• car_theft,
• speed,
• crank,
• amphetamine_speed,
• embezzlement,
• weapon,
• arms_sales,
• funding,
• mdma_ecstasy,
• cruelty,
• antidepressant,
• sedative,
• graft,
• drug,
• racketeering,
• crack,
• weapon_traffic,
• fake,
• amyl-nitrate_popper,
• barbiturate,
• mdma,
• explosive,
• sex,
• ephedrine,
• opium,
• firearm,
• tobacco,
• powerful_stimulant,
• depressant,
• narcotic_trade,
• arms,
• morphine,
• drug_sales,
• mushroom,
• benzodiazepine,
• drug_deal,
• pornography,
• acquisition,
• terrorist_financing,
• codeine,
• contraband_transport,
• ghb,
• nitrite_popper,
• acid_lsd,
• bootlegging,
• pilferage,
• drug_production,
• escort_service,
• financing,
• powder_cocaine,
• tranquilizer,
• methadone,
• stimulant_ecstasy,
• illicit_barbiturate,
• oil,
• fraud,
• club-drug_ecstasy,
• ammunition,
• narcotic,
• opium_production,
• hallucinogen_ecstasy,
• ganja,
• theft,
• laundering,
• nicotine,
• gun,
• alcohol,
• mescaline,
• nd_pcp,
• stimulant,
• meth,
• coca,
• cocaine_drug,
• crystal_methamphetamine,
• use,
• liquid_explosive,
• phencyclidine_pcp,
• espionage,
• smoking,
• peyote,
• pill,
• drinking,
• lidocaine,
• rock_cocaine,