Foundation vs Foundations

When to use each in English, with meaning, register, and examples.

Foundation

Top 2,000 (common)B2noun

Foundations

Top 2,000 (common)
 FoundationFoundations
Pronunciation🇬🇧 /["/faʊnˈdeɪʃn/"]/🇺🇸 /["/faʊnˈdeɪʃn/"]/🇬🇧 //faʊnˈdeɪʃənz//🇺🇸 //faʊnˈdeɪʃənz//
MeaningThe base or support of something.The basic parts that support something.
ExampleThe foundation of the building is made of strong concrete.The foundations of the house were built strong to withstand earthquakes.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelB2-
Part of speechnoun
Collocationshave no, without foundation, charitable, private, research, establish, set up, start, foundation for, deep, concrete, dig, lay, shake, stone, walllay foundations, strong foundations, financial foundations, solid foundations, foundations of knowledge
Antonymstop, peak, tipsummit, top
Common mistakesConfusing 'foundation' with 'founding' — they are different., Using 'foundation' without specifying what it's a base for., Mispronouncing it as 'foundashun' instead of 'founday-shun'.Confused with 'foundation' as a singular form., Used incorrectly in phrases where 'fundamentals' is more appropriate.
Usage notesUse 'foundation' in contexts like construction, education, or principles. It is neutral but fits best in formal or academic discussions. Avoid in casual conversation about non-structural topics.Often used in context of buildings, education, or principles. Not typically used in casual conversation.

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Foundation
Foundations

Frequently asked questions: Foundation vs Foundations

What's the difference between Foundation and Foundations?

Foundation: The base or support of something. Foundations: The basic parts that support something.

Can you show an example of each?

Foundation: The foundation of the building is made of strong concrete. Foundations: The foundations of the house were built strong to withstand earthquakes.

Can I use Foundation and Foundations interchangeably?

Not always. Foundation and Foundations are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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