This is the 2105th most frequent Spanish word.
cocaína
"Cocaína" in English is defined as "cocaine, a powerful stimulant drug derived from coca leaves."
Finally, 'cocaína' is used as a noun to describe the substance involved in the creation process within a laboratory.
La policía descubrió un laboratorio clandestino de cocaína.
The police discovered a clandestine cocaine laboratory.
Here, 'cocaína' is used as a noun to refer specifically to the drug.
La cocaína es una sustancia ilegal en muchos países.
Cocaine is an illegal substance in many countries.
In this sentence, 'cocaína' again acts as a noun but is used in the context of illegal trading.