Cluster vs Collection

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

Cluster

Top 2,000 (common)C1noun

Collection

Top 1,000 (very common)B1noun
Most common: Collection
 ClusterCollection
Pronunciation🇬🇧 /["/ˈklʌstə(r)/"]/🇺🇸 /["/ˈklʌstər/"]/🇬🇧 /["/kəˈlekʃn/"]/🇺🇸 /["/kəˈlekʃn/"]/
MeaningA group of things that are close together.A group of things that are gathered together.
ExampleThe cluster of stars was visible in the clear night sky.My grandmother has an impressive collection of vintage stamps.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)
CEFR levelC1B1
Part of speechnounnoun
Collocationslittle, small, large, in a/​the cluster, cluster of, little, small, large, in a/​the cluster, cluster ofbig, extensive, huge, boast, have, own, consist of something, contain something, include something, collection of, big, extensive, huge, boast, have, own, consist of something, contain something, include something, collection of, routine, systematic, efficient, await, be ready for, arrange, point, site, service, collection of, a method of collection, compile, edit, produce, collection of, house-to-house, street, charity, have, make, organize, box, plate, collection for, new, autumn, fall, create, launch, show
Antonymsseparation, dispersaldispersal, scattering
Common mistakesConfused with 'clutter', which refers to mess., Using 'cluster' with singular nouns (e.g., 'a cluster of tree' instead of 'a cluster of trees')., Overusing 'cluster' instead of specific terms like 'group' or 'bunch' in casual conversation.Confused with 'selection' which means a choice among items., Using 'collection' as a verb instead of its noun form., Saying 'collect' when they mean 'collection,' missing the noun form.
Usage notesUse 'cluster' when referring to a collection of similar items or people. It's neutral and appropriate in both spoken and written contexts. Avoid using it in very formal contexts where specific terms might be preferred.Use 'collection' when referring to a set of items, like stamps or books. It's appropriate for both formal and casual contexts, but avoid using it in very specific legal or tax terminology.

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Collection

Frequently asked questions: Cluster vs Collection

What's the difference between Cluster and Collection?

Cluster: A group of things that are close together. Collection: A group of things that are gathered together.

Which is more common: Cluster and Collection?

Collection is the most common in everyday English.

Which is more advanced: Cluster and Collection?

Cluster is the highest level, at C1, on the CEFR scale.

Are Cluster and Collection the same CEFR level?

Cluster: C1, Collection: B1 on the CEFR scale.

What part of speech are Cluster and Collection?

Cluster: noun, Collection: noun.

Can you show an example of each?

Cluster: The cluster of stars was visible in the clear night sky. Collection: My grandmother has an impressive collection of vintage stamps.

Can I use Cluster and Collection interchangeably?

Not always. Cluster and Collection 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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