How to Say "foundation" in Spanish
The most common Spanish word for “foundation” is “base” — use 'base' for the physical bottom part of an object or the fundamental element of an argument or relationship.
base
BAH-sehˈba.se

Examples
La base de la lámpara es muy pesada para que no se caiga.
The base of the lamp is very heavy so it doesn't fall over.
Construyeron la casa sobre una base de concreto.
They built the house on a concrete foundation.
La confianza es la base de cualquier amistad.
Trust is the basis of any friendship.
Este postre tiene una base de chocolate y almendras.
This dessert has a base of chocolate and almonds.
Always Feminine: 'la base'
Even though 'base' doesn't end in '-a', it's a feminine word. Always remember to use 'la' or 'una' with it, like 'la base' (the base) or 'una base sólida' (a solid base).
fundamento
foon-dah-MEN-tohfundaˈmento

Examples
La libertad es el fundamento de nuestra sociedad.
Freedom is the foundation of our society.
Necesitas aprender los fundamentos del dibujo antes de pintar.
You need to learn the basics of drawing before painting.
El edificio tiene un fundamento muy sólido.
The building has a very solid foundation.
Always Masculine
Even when referring to a 'base' (which is feminine in Spanish: 'la base'), 'fundamento' is always masculine. Use 'el' and 'un'.
Plural for Subjects
When talking about school subjects or skills, use the plural 'los fundamentos' to mean 'the basics' or 'the fundamentals'.
Fundamento vs. Fundación
Mistake: “Usar 'fundamento' para una organización benéfica.”
Correction: Use 'fundación' for an organization (like the Bill Gates Foundation) and 'fundamento' for the logic or physical base.
cimiento
see-MYEN-tohθiˈmjento

Examples
Los obreros están terminando de poner los cimientos de la casa.
The workers are finishing laying the foundations of the house.
Si los cimientos son débiles, el edificio puede ser peligroso.
If the foundations are weak, the building can be dangerous.
Echaron el hormigón para el cimiento esta mañana.
They poured the concrete for the foundation this morning.
Usually Plural
When talking about a building, we almost always use the plural 'los cimientos' because a building has many supporting points.
Masculine Gender
This word is always masculine. Remember to use 'el' or 'los' with it.
Cimiento vs. Cemento
Mistake: “Using 'cimiento' to mean the gray powder used in construction.”
Correction: Use 'cemento' for the material (cement) and 'cimiento' for the part of the building (foundation).
fundación
foon-dah-SYOHNfun.daˈθjon

Examples
La fundación ayuda a niños con problemas de visión.
The foundation helps children with vision problems.
Donó una gran suma de dinero a la fundación de arte.
He donated a large sum of money to the art foundation.
Es fácil ser voluntario en esta fundación.
It is easy to volunteer at this foundation.
Feminine Noun Rule
All nouns in Spanish that end in -ción (like nación, información, situación) are feminine, so you must use 'la' with them.
establecimiento
es-tah-bleh-see-myehn-tohestaβlesiˈmjento

Examples
El establecimiento de la paz fue un proceso largo.
The establishment of peace was a long process.
Trabajamos en el establecimiento de nuevas normas de seguridad.
We are working on the establishment of new safety rules.
Nouns from Verbs
This is the noun form of the verb 'establecer'. Many Spanish nouns ending in '-miento' come from verbs.
firme
FEER-mehˈfiɾme

Examples
Las obras de reparación del firme de la autopista durarán dos semanas.
The repair works on the highway pavement will last two weeks.
Gender Note
As a noun meaning 'road surface', 'firme' is always masculine: 'el firme'.
Foundation vs. Base vs. Fundamento
Related Translations
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