narcótico bedeutet auf Englisch

drug [drugs]▼(psychoactive substance ingested for recreational use, especially illegal and addictive one)
noun
[UK: ˈdrʌɡ] [US: ˈdrʌɡ]

narcotic [narcotics]▼(numbing drug)
noun
[UK: nɑːˈk.ɒ.tɪk] [US: narˈkɑː.tɪk]John is a known narcotics agent. = John es un conocido agente de narcóticos.