Cool MateCapsule vs Case vs Container vs Module
When to use each in English, with meaning, register, and examples.
Capsule
Top 5,000 (fairly common)C1noun
Case
Top 1,000 (very common)A2noun
Container
Top 2,000 (common)B1noun
Module
Top 1,000 (very common)B2noun
| Capsule | Case | Container | Module | |
|---|---|---|---|---|
| Pronunciation | 🇬🇧 //ˈkæpsjuːl//🇺🇸 //ˈkæpsəl// | 🇬🇧 /["/keɪs/"]/🇺🇸 /["/keɪs/"]/ | 🇬🇧 /["/kənˈteɪnə(r)/"]/🇺🇸 /["/kənˈteɪnər/"]/ | 🇬🇧 /["/ˈmɒdjuːl/"]/🇺🇸 /["/ˈmɑːdʒuːl/"]/ |
| Meaning | A small container for medicine or other items. | A situation or example. | A box or other object used to hold things. | A part of a larger system or a separate unit that can work by itself. |
| Example | She took a capsule with water to relieve her headache. | Please put the documents in the case for safekeeping. | The package arrived in a large container that was difficult to open. | The course consists of ten core modules and five optional modules. |
| Register | Neutral | Neutral | Neutral | Neutral |
| How common | Top 5,000 (fairly common) | Top 1,000 (very common) | Top 2,000 (common) | Top 1,000 (very common) |
| CEFR level | C1 | A2 | B1 | B2 |
| Part of speech | noun | noun | noun | noun |
| Collocations | time capsule, medication capsule, space capsule, gelatin capsule, dry capsule | classic, 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 | airtight, 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 | individual, compulsory, optional, do, study, complete, command, lunar, memory, add, configure, install, command, lunar, memory, add, configure, install, command, lunar, memory, add, configure, install |
| Antonyms | expansion, unfolding, opening | sameness, uniformity | source, origin, emptiness | whole, entirety |
| Common mistakes | Confusing with 'capstone', which refers to a finishing stone., Using 'capsule' to refer to large containers., Mispronouncing with emphasis on the second syllable instead of the first. | 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). | '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'. | Confused with 'model' which relates to a representation., Using it in informal contexts where simpler words like 'part' could suffice. |
| Usage notes | Used in medical contexts for pills and in general contexts for small containers. Avoid using in very casual settings. | 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. | 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. | Used in technical contexts like education or software. It's appropriate when discussing parts of a system but may not be common in casual conversation. |
Frequently asked questions: Capsule vs Case vs Container vs Module
What's the difference between Capsule, Case, Container, and Module?
Capsule: A small container for medicine or other items. Case: A situation or example. Container: A box or other object used to hold things. Module: A part of a larger system or a separate unit that can work by itself.
Which is more advanced: Capsule, Case, Container, and Module?
Capsule is the highest level, at C1, on the CEFR scale.
Are Capsule, Case, Container, and Module the same CEFR level?
Capsule: C1, Case: A2, Container: B1, Module: B2 on the CEFR scale.
What part of speech are Capsule, Case, Container, and Module?
Capsule: noun, Case: noun, Container: noun, Module: noun.
Can you show an example of each?
Capsule: She took a capsule with water to relieve her headache. Case: Please put the documents in the case for safekeeping. Container: The package arrived in a large container that was difficult to open. Module: The course consists of ten core modules and five optional modules.
Can I use Capsule, Case, Container, and Module interchangeably?
Not always. Capsule, Case, Container, and Module 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.