Box vs Case

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

Box

High-frequency chunkA1noun

Case

Top 1,000 (very common)A2noun
 BoxCase
Pronunciation🇬🇧 /["/bɒks/"]/🇺🇸 /["/bɑːks/"]/🇬🇧 /["/keɪs/"]/🇺🇸 /["/keɪs/"]/
MeaningA container with flat sides, usually made of cardboard or wood.A situation or example.
ExampleI received a large box from my friend.Please put the documents in the case for safekeeping.
RegisterNeutralNeutral
How commonHigh-frequency chunkTop 1,000 (very common)
CEFR levelA1A2
Part of speechnounnoun
Collocationsrectangular, square, upturned, pile, stack, fill, pack, pack something in, be filled with something, be full of something, contain something, in a/​the box, inside a/​the box, into a/​the box, the lid of a box, rectangular, square, upturned, pile, stack, fill, pack, pack something in, be filled with something, be full of something, contain something, in a/​the box, inside a/​the box, into a/​the box, the lid of a box, appropriate, relevant, dialog, check, fill in, mark, in a/​the box, into a/​the box, tick all the boxes, soundproof, call, phone, in a/​the box, into a/​the box, soundproof, call, phone, in a/​the box, into a/​the boxclassic, 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 of
Antonymsbag, sacksameness, uniformity
Common mistakesConfused with 'crate' – a larger, sturdier container., Using 'box' as a verb without context – 'to box' means to package or fight, which can confuse listeners.Confused with 'case' as a container instead of a situation., Using 'case' without properly specifying what type of case (e.g., legal case, medical case).
Usage notesUse 'box' in both spoken and written English. It's appropriate for casual and formal contexts, like shipping items or storing goods. Avoid using it in abstract or metaphorical senses unless specified.Use '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.

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Box
Case

Frequently asked questions: Box vs Case

What's the difference between Box and Case?

Box: A container with flat sides, usually made of cardboard or wood. Case: A situation or example.

Which is more advanced: Box and Case?

Case is the highest level, at A2, on the CEFR scale.

Are Box and Case the same CEFR level?

Box: A1, Case: A2 on the CEFR scale.

What part of speech are Box and Case?

Box: noun, Case: noun.

Can you show an example of each?

Box: I received a large box from my friend. Case: Please put the documents in the case for safekeeping.

Can I use Box and Case interchangeably?

Not always. Box and Case 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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