Combination vs Compound

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

Combination

Top 2,000 (common)B2noun

Compound

Top 2,000 (common)B2noun
 CombinationCompound
Pronunciation🇬🇧 /["/ˌkɒmbɪˈneɪʃn/"]/🇺🇸 /["/ˌkɑːmbɪˈneɪʃn/"]/🇬🇧 /["/ˈkɒmpaʊnd/"]/🇺🇸 /["/ˈkɑːmpaʊnd/"]/
MeaningA mix of different things together.A substance made of two or more elements joined together.
ExampleThe combination of colors in her painting is truly remarkable.A compound is formed when two or more elements are chemically bonded together.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelB2B2
Part of speechnounnoun
Collocationsideal, perfect, right, in combination (with), combination of, ideal, perfect, right, in combination (with), combination ofchemical, inorganic, organic, form, make, produce, contain something, be derived from something, be found in something, compound of, military, palace, prison, in a/​the compound, inside a/​the compound
Antonymsseparation, divisionelement, simple substance
Common mistakesConfused with 'combine' as a verb., 'Combination' used as a verb instead of a noun., Misplacing the stress on the wrong syllable: 'COM-bin-a-tion' instead of 'com-BI-na-tion'.Confused with 'composite' – remember 'compound' refers to specific chemical substances., Using 'compound' for non-chemical mixtures – be clear it refers to combinations of elements.
Usage notesUsed in both formal and informal contexts. Commonly seen in discussions about recipes, math, and combinations of different concepts. Avoid in casual conversations when a simpler word like 'mix' would suffice.Use 'compound' in scientific contexts, especially in chemistry. Avoid in everyday conversation unless explaining scientific concepts.

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Combination
Compound

Frequently asked questions: Combination vs Compound

What's the difference between Combination and Compound?

Combination: A mix of different things together. Compound: A substance made of two or more elements joined together.

Are Combination and Compound the same CEFR level?

Combination: B2, Compound: B2 on the CEFR scale.

What part of speech are Combination and Compound?

Combination: noun, Compound: noun.

Can you show an example of each?

Combination: The combination of colors in her painting is truly remarkable. Compound: A compound is formed when two or more elements are chemically bonded together.

Can I use Combination and Compound interchangeably?

Not always. Combination and Compound 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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