How to Say "back end" in Spanish
The Spanish word for “back end” is “trasera” — B1 level. This is a very common word in everyday Spanish.
English → SpanishB1
nounB1
Of a vehicle or building

Examples
La trasera del camión estaba dañada.
The rear end of the truck was damaged.
Aparcó el coche muy cerca de la trasera de la casa.
He parked the car very close to the back of the house.
Necesitas más espacio en la trasera para el equipaje.
You need more space in the back for the luggage.
Gender Match
Even though it refers to a location (the back), it is always treated as a feminine noun: la trasera.
Confusing Noun/Adjective
Mistake: “Using *trasera* as an adjective with a masculine noun: *el coche trasera*.”
Correction: Use the masculine form: *el coche trasero*. Remember, *trasera* is only a noun or a feminine adjective.
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