Cool MateAbility vs Capacity
When to use each in English, with meaning, register, and examples.
Ability
Top 1,000 (very common)A2noun
Capacity
Top 2,000 (common)B2noun
Most common: Ability
| Ability | Capacity | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/əˈbɪləti/"]/🇺🇸 /["/əˈbɪləti/"]/ | 🇬🇧 //kəˈpæs.ɪ.ti//🇺🇸 //kəˈpæ.sɪ.ti// |
| Meaning | The skill to do something. | How much something can hold or do. |
| Example | She has the ability to learn new languages quickly. | The capacity of the stadium is 50,000 people. |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 2,000 (common) |
| CEFR level | A2 | B2 |
| Part of speech | noun | noun |
| Collocations | exceptional, extraordinary, great, level, have, possess, retain, ability in, to the best of your ability, high, limited, low, assess, measure, test, level, range, a range of ability, a range of abilities | full capacity, seating capacity, at capacity, capacity limits |
| Antonyms | inability, ineptness | inability, incapacity |
| Common mistakes | Confused with 'capability' — 'ability' refers to a skill, while 'capability' refers to the potential to develop a skill., Using 'ability' without a verb or context can make sentences unclear., Incorrectly pluralizing as 'abilities' when referring to a single skill. | Confused with 'capability', which refers to ability rather than volume., Using 'capacity' for individual abilities when 'capability' is more appropriate., Mispronouncing the word with emphasis on the wrong syllable. |
| Usage notes | Use 'ability' in contexts where referring to someone's skills or talents. Avoid it in very casual conversations where simpler words like 'skill' may be more appropriate. | Used in both formal and informal contexts. Common in discussions about limits or ability. Not typically used in casual conversation unless referring to space or limits. |
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Frequently asked questions: Ability vs Capacity
What's the difference between Ability and Capacity?
Ability: The skill to do something. Capacity: How much something can hold or do.
Which is more common: Ability and Capacity?
Ability is the most common in everyday English.
Which is more advanced: Ability and Capacity?
Capacity is the highest level, at B2, on the CEFR scale.
Are Ability and Capacity the same CEFR level?
Ability: A2, Capacity: B2 on the CEFR scale.
What part of speech are Ability and Capacity?
Ability: noun, Capacity: noun.
Can you show an example of each?
Ability: She has the ability to learn new languages quickly. Capacity: The capacity of the stadium is 50,000 people.
Can I use Ability and Capacity interchangeably?
Not always. Ability and Capacity 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.