Case vs Suitcase

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

Case

Top 1,000 (very common)A2noun

Suitcase

Top 2,000 (common)
Most common: Case
 CaseSuitcase
Pronunciation🇬🇧 /["/keɪs/"]/🇺🇸 /["/keɪs/"]/🇬🇧 //ˈsuːtkeɪs//🇺🇸 //ˈsuːtkeɪs//
MeaningA situation or example.A bag used for traveling to hold clothes and personal items.
ExamplePlease put the documents in the case for safekeeping.I packed my clothes into the suitcase for the trip.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelA2-
Part of speechnoun
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 ofheavy suitcase, open a suitcase, pack a suitcase, carry a suitcase, check a suitcase
Antonymssameness, uniformity-
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).Confusing 'suitcase' with 'luggage' which refers to bags in general., Using the plural form 'suitcases' incorrectly when talking about one bag., Mispronouncing it as 'suit-case' instead of blending the sounds.
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.Use 'suitcase' in situations involving travel. Avoid informal contexts where alternatives like 'bag' might be preferred.

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Case
Suitcase

Frequently asked questions: Case vs Suitcase

What's the difference between Case and Suitcase?

Case: A situation or example. Suitcase: A bag used for traveling to hold clothes and personal items.

Which is more common: Case and Suitcase?

Case is the most common in everyday English.

Can you show an example of each?

Case: Please put the documents in the case for safekeeping. Suitcase: I packed my clothes into the suitcase for the trip.

Can I use Case and Suitcase interchangeably?

Not always. Case and Suitcase 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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