Spanish vocabulary · Beginner

Walnuts in Spanish: Nueces and Nuez de Castilla

Nueces · noun (feminine, plural) · NWEH-sehs

Walnuts in Spanish is nueces (NWEH-sehs), the plural of nuez. In Mexico, nuez alone often means pecan, so nuez de Castilla specifies the English walnut. In Spain and most of South America, nuez defaults to walnut.

Nuez is NWEHS (one syllable). Nueces is NWEH-sehs (two syllables).

Agrega nueces picadas a la ensalada para darle textura.

Add chopped walnuts to the salad for texture.

Walnuts in Spanish: Quick Reference

Below are the most common Spanish words for walnuts, with pronunciation and regional usage notes.

SpanishEnglishPronunciationRegion / Register
nueceswalnutsNWEH-sehsDefault, widely understood
nuezwalnutssingular: one walnut
nuez de CastillawalnutsMexico (English walnut)
nuez de nogalwalnutswalnut from the walnut tree

How Native Speakers Use Nueces

Real example sentences across three contexts you'll actually run into.

In a recipe

Esta receta lleva nueces, miel y queso de cabra.

This recipe calls for walnuts, honey, and goat cheese.

Nueces in cooking contexts means walnuts in most countries.

Mexican distinction

En México, pide nuez de Castilla si quieres nueces y no pecanas.

In Mexico, ask for nuez de Castilla if you want walnuts and not pecans.

Nuez alone in Mexico often refers to pecans.

Health benefits

Las nueces son ricas en ácidos grasos omega-3.

Walnuts are rich in omega-3 fatty acids.

Nueces in a health context refers to walnuts specifically.

Avoid These Mistakes When Using Nueces

Assuming nuez always means walnut in Mexico

Incorrect: Quiero pastel de nuez. (expecting walnut in Mexico)

Correct: Quiero pastel de nuez de Castilla.

In Mexico, nuez typically means pecan. Specify nuez de Castilla for the English walnut.

Wrong plural form

Incorrect: Dos nuezes.

Correct: Dos nueces.

Nuez changes z to c before -es: nuez → nueces. This is the standard Spanish z-to-c pluralization rule.

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See Nueces used by native speakers

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Common Questions About Walnuts in Spanish

How do you say walnuts in Spanish?
Walnuts are nueces (NWEH-sehs). A single walnut is una nuez. In Mexico, use nuez de Castilla to distinguish from pecans.
Why does nuez mean pecan in Mexico?
Mexico is a major pecan producer, and nuez became the default local word for pecans. The walnut was rebranded as nuez de Castilla (Castilian nut) to avoid confusion.
How do I say walnut tree in Spanish?
A walnut tree is un nogal. The wood is called madera de nogal (walnut wood).