How to Say "bootleg" in Spanish
The Spanish word for “bootleg” is “pirata” — B2 level.

Examples
Compró una copia pirata de la película en el mercado.
He bought a pirated copy of the movie at the market.
Ese taxista es un pirata; no tiene licencia para trabajar.
That taxi driver is unauthorized; he doesn't have a license to work. (Figurative: acting like a rogue/outlaw)
Adjective Agreement
When used as an adjective, 'pirata' is one of those words that stays the same regardless of whether the thing it describes is masculine (software pirata) or feminine (copia pirata). It also stays the same in plural (películas piratas).
Changing the Ending
Mistake: “Usando un software pirato.”
Correction: The word is 'pirata' whether the noun is masculine or feminine: 'Usando un software pirata'.
Related Translations
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