Case vs Container

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

Case

Top 1,000 (very common)A2noun

Container

Top 2,000 (common)B1noun
Most common: Case
 CaseContainer
Pronunciation🇬🇧 /["/keɪs/"]/🇺🇸 /["/keɪs/"]/🇬🇧 /["/kənˈteɪnə(r)/"]/🇺🇸 /["/kənˈteɪnər/"]/
MeaningA situation or example.A box or other object used to hold things.
ExamplePlease put the documents in the case for safekeeping.The package arrived in a large container that was difficult to open.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelA2B1
Part of speechnounnoun
Collocationsclassic, textbook, typical, illustrate, show, cite, arise, occur, study, example, in somebody’s/​this case, case of, case by case, a case in point, be, remain, overstate, classic, textbook, typical, illustrate, show, cite, arise, occur, study, example, in somebody’s/​this case, case of, case by case, a case in point, notorious, tragic, assault, handle, investigate, work on, file, report, officer, on the case, case of, court, criminal, civil, bring, prosecute, pursue, come before somebody, come to court, go to court, in a/​the case, case against, case of, a case to answer, no case to answer, the circumstances of a case, compelling, convincing, good, have, prepare, outline, exist, case against, case for, the case for the defence/​defense, the case for the prosecution, the merits of a case, carrying, packing, glass, in a/​the case, inside a/​the case, out of a/​the case, attaché, overnight, acute, chronic, advanced, diagnose, report, history, notes, records, case ofairtight, closed, sealed, fill, store something in, contain something, hold something, garden, plant, in a/​the container, container for, container of, empty, full, bulk, contain something, hold something, lorry, ship, port
Antonymssameness, uniformitysource, origin, emptiness
Common mistakesConfused with 'case' as a container instead of a situation., Using 'case' without properly specifying what type of case (e.g., legal case, medical case).'Container' is sometimes confused with 'content' - remember, 'container' holds things, 'content' is what is inside., Some learners use 'conteneer' instead of 'container' due to phonetic similarities., It's often mistakenly pluralized as 'containerss'.
Usage notesUse 'case' to refer to a particular situation, especially in legal or medical contexts. It is less formal than 'instance' and more common in everyday conversation.Used in everyday contexts, 'container' fits well in both casual and professional speech. It may not be suitable for very formal writing where more specific terms like 'receptacle' might be preferred.

Frequently asked questions: Case vs Container

What's the difference between Case and Container?

Case: A situation or example. Container: A box or other object used to hold things.

Which is more common: Case and Container?

Case is the most common in everyday English.

Which is more advanced: Case and Container?

Container is the highest level, at B1, on the CEFR scale.

Are Case and Container the same CEFR level?

Case: A2, Container: B1 on the CEFR scale.

What part of speech are Case and Container?

Case: noun, Container: noun.

Can you show an example of each?

Case: Please put the documents in the case for safekeeping. Container: The package arrived in a large container that was difficult to open.

Can I use Case and Container interchangeably?

Not always. Case and Container 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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