Inklingo

How to Say "substitution" in Spanish

English → Spanish

reemplazo

/reh-em-PLAH-soh//re.emˈpla.so/

nounA2general
Use 'reemplazo' when referring to the general act of replacing an object or item with another, like a part or a piece of equipment.
A brand new shiny light bulb sitting next to a burnt-out, dark light bulb.

Examples

Necesitamos un reemplazo para la bombilla de la cocina.

We need a replacement for the kitchen light bulb.

Ella es el reemplazo temporal de nuestro profesor.

She is our teacher's temporary substitute.

El reemplazo de la pieza vieja mejoró el rendimiento del coche.

The replacement of the old part improved the car's performance.

Noun Gender

Even when referring to a woman who is a substitute, the word remains masculine: 'el reemplazo'.

Using 'de'

To say what is being replaced, always follow the word with 'de' (e.g., 'el reemplazo de la batería').

Wrong Gender

Mistake:La reemplazo

Correction: El reemplazo. Even though it ends in 'o' and might refer to a woman, it's always a masculine noun.

sustitución

nounB1formal, technical
Use 'sustitución' when talking about replacing a person or a variable, common in sports, mathematics, or formal procedures.

Examples

El entrenador pidió una sustitución en el segundo tiempo.

The coach asked for a substitution in the second half.

Reemplazo vs. Sustitución

Learners often confuse 'reemplazo' and 'sustitución' by using 'sustitución' for everyday item replacements. Remember that 'reemplazo' is for general object replacement, while 'sustitución' is more specific to people, players, or mathematical/formal changes.

Learn Spanish with Inklingo

Interactive stories, personalized learning, and more.