Agency vs Authority vs Autonomy vs Capacity vs Control

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

Agency

Top 2,000 (common)B2noun

Authority

Top 2,000 (common)B1noun

Autonomy

Top 3,000 (common)C1noun

Capacity

Top 2,000 (common)B2noun

Control

Top 1,000 (very common)A2noun
Most common: Control
 AgencyAuthorityAutonomyCapacityControl
Pronunciation🇬🇧 /["/ˈeɪdʒənsi/"]/🇺🇸 /["/ˈeɪdʒənsi/"]/🇬🇧 //əˈθɔːrɪti//🇺🇸 //əˈθɔːrɪti//🇬🇧 /["/ɔːˈtɒnəmi/"]/🇺🇸 /["/ɔːˈtɑːnəmi/"]/🇬🇧 //kəˈpæs.ɪ.ti//🇺🇸 //kəˈpæ.sɪ.ti//🇬🇧 /["/kənˈtrəʊl/"]/🇺🇸 /["/kənˈtrəʊl/"]/
MeaningThe ability to make choices and take action.The power or right to give orders and make decisions.The ability to make your own choices and decisions.How much something can hold or do.To have power over something or someone.
ExampleShe works for an **advertising agency**.The teacher has authority over the students.a campaign in Wales for greater autonomyThe capacity of the stadium is 50,000 people.She learned how to take control of the situation during the meeting.
RegisterNeutralNeutralNeutralNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)Top 3,000 (common)Top 2,000 (common)Top 1,000 (very common)
CEFR levelB2B1C1B2A2
Part of speechnounnounnounnounnoun
Collocationsofficial, federal, government, through an/​the agency, official, federal, government, through an/​the agencyexercise authority, recognize authority, challenge authorityconsiderable, substantial, greater, degree, level, measure, enjoy, have, assert, autonomy from, a demand for autonomy, considerable, substantial, greater, degree, level, measure, enjoy, have, assert, autonomy from, a demand for autonomyfull capacity, seating capacity, at capacity, capacity limitsabsolute, complete, full, have, achieve, assert, freak, beyond your control, outside your control, in control (of), circumstances beyond somebody’s control, absolute, complete, full, have, achieve, assert, freak, beyond your control, outside your control, in control (of), circumstances beyond somebody’s control, strict, stringent, tight, implement, impose, introduce, control on, remote, volume, cruise, take, panel, device, stick, at the controls
Antonymspowerlessness, ineffectivenesspowerlessness, subordinationdependence, subordination, controlinability, incapacitylose, surrender, release
Common mistakesConfused with 'agencies' as only organizations; forgets personal meaning., Using 'agency' in plural when referring to the concept of choice., Misunderstanding 'agency' as a physical place only.Confused with 'author' - authority refers to power, not authorship., Misused in singular form; should often use 'authorities' for multiple groups or people.Confusing 'autonomy' with 'independence'., Using 'autonomy' to describe physical space instead of decision-making., Not recognizing it as uncountable in certain contexts.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.'Control' is sometimes confused with 'manage' although 'manage' implies more overall organization., Learners may use 'control' with reflexive pronouns incorrectly, e.g., 'control myself' instead of just 'control'., Misusing 'control' in a physical sense, like 'control the ball' instead of 'handle the ball'.
Usage notesUsed in contexts related to control and decision-making. Can refer to organizations (like an agency) or personal autonomy. Avoid when discussing only organizations.Used in both formal and informal contexts. Often refers to organizations or individuals in positions of power.Typically used in discussions about personal freedom or independence. In formal contexts, it might refer to a person's right to self-governance. Avoid using it in casual conversations.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.Use 'control' when talking about managing situations or people's behavior. Avoid using it in overly casual conversations as it may imply dominance.

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Agency
Authority
Capacity

Frequently asked questions: Agency vs Authority vs Autonomy vs Capacity vs Control

What's the difference between Agency, Authority, Autonomy, Capacity, and Control?

Agency: The ability to make choices and take action. Authority: The power or right to give orders and make decisions. Autonomy: The ability to make your own choices and decisions. Capacity: How much something can hold or do. Control: To have power over something or someone.

Which is more common: Agency, Authority, Autonomy, Capacity, and Control?

Control is the most common in everyday English.

Which is more advanced: Agency, Authority, Autonomy, Capacity, and Control?

Autonomy is the highest level, at C1, on the CEFR scale.

Are Agency, Authority, Autonomy, Capacity, and Control the same CEFR level?

Agency: B2, Authority: B1, Autonomy: C1, Capacity: B2, Control: A2 on the CEFR scale.

What part of speech are Agency, Authority, Autonomy, Capacity, and Control?

Agency: noun, Authority: noun, Autonomy: noun, Capacity: noun, Control: noun.

Can you show an example of each?

Agency: She works for an **advertising agency**. Authority: The teacher has authority over the students. Autonomy: a campaign in Wales for greater autonomy Capacity: The capacity of the stadium is 50,000 people. Control: She learned how to take control of the situation during the meeting.

Can I use Agency, Authority, Autonomy, Capacity, and Control interchangeably?

Not always. Agency, Authority, Autonomy, Capacity, and Control 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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