Accessory vs Complement vs Decor vs Supplement

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

Accessory

Top 5,000 (fairly common)

Complement

Top 2,000 (common)C1verb

Decor

Top 3,000 (common)

Supplement

Beyond 10,000 (less common)C1noun
Most common: Complement
 AccessoryComplementDecorSupplement
Pronunciation🇬🇧 //əkˈsɛsəri//🇺🇸 //əkˈsɛsəri//🇬🇧 /["/ˈkɒmplɪment/","/ˈkɒmplɪments/","/ˈkɒmplɪmentɪd/","/ˈkɒmplɪmentɪŋ/"]/🇺🇸 /["/ˈkɑːmplɪment/","/ˈkɑːmplɪments/","/ˈkɑːmplɪmentɪd/","/ˈkɑːmplɪmentɪŋ/"]/🇬🇧 //dɪˈkɔː//🇺🇸 //dɪˈkɔr//🇬🇧 /["/ˈsʌplɪmənt/"]/🇺🇸 /["/ˈsʌplɪmənt/"]/
MeaningSomething you wear or use to make an outfit better.Something that goes well with something else or completes it.The style and items used to make a place look nice.Something added to help or improve something else.
ExampleShe chose a beautiful hat as an accessory for her dress.The excellent menu is complemented by a good wine list.The living room's decor includes bright colors and modern furniture.The textbook serves as a supplement to the main course material.
RegisterNeutralNeutralNeutralNeutral
How commonTop 5,000 (fairly common)Top 2,000 (common)Top 3,000 (common)Beyond 10,000 (less common)
CEFR level-C1-C1
Part of speechverbnoun
Collocationsfashion accessory, accessory item, car accessory, accessory to a crime, personal accessorynicely, well, perfectlyhome decor, interior decor, holiday decor, office decor, wedding decoruseful, valuable, colour/​color, provide (somebody/​something with), add, take, supplement to, useful, valuable, colour/​color, provide (somebody/​something with), add, take, supplement to, useful, valuable, colour/​color, provide (somebody/​something with), add, take, supplement to, additional, extra, $100, add, charge, carry, be payable, at a supplement, supplement for, supplement on
Antonyms-detract, contrast-reduction, diminution, lessening
Common mistakesConfused with 'accessories' as plural when referring to a single item., Using 'accessory' to describe unrelated electronic items., Incorrectly applying 'accessory' to describe main components.Confused with 'compliment', which means to praise someone., Using 'complement' in the wrong context, like to mean 'complete'., Incorrectly spelling it as 'complement' when referring to praise.Confusing 'decor' with 'decoration' - they are related but used differently., Using 'decor' as a verb - it's only a noun., Not recognizing variations in decor styles.Confused with 'complement', which means something that completes another., Using it as a verb when referring to physical items instead of additional support.
Usage notesTypically used in fashion contexts. More formal when referring to legal or additional items to something.Use 'complement' when talking about adding something that enhances or completes another thing. It's appropriate in both casual and formal contexts, but avoid using it in situations that require a different meaning like 'compliment'.Used to describe the aesthetic elements in a space, common in both casual and formal contexts.Used in contexts related to health, nutrition, and finance. Avoid in casual conversations unless discussing specific dietary needs or financial advice.

Frequently asked questions: Accessory vs Complement vs Decor vs Supplement

What's the difference between Accessory, Complement, Decor, and Supplement?

Accessory: Something you wear or use to make an outfit better. Complement: Something that goes well with something else or completes it. Decor: The style and items used to make a place look nice. Supplement: Something added to help or improve something else.

Which is more common: Accessory, Complement, Decor, and Supplement?

Complement is the most common in everyday English.

Can you show an example of each?

Accessory: She chose a beautiful hat as an accessory for her dress. Complement: The excellent menu is complemented by a good wine list. Decor: The living room's decor includes bright colors and modern furniture. Supplement: The textbook serves as a supplement to the main course material.

Can I use Accessory, Complement, Decor, and Supplement interchangeably?

Not always. Accessory, Complement, Decor, and Supplement 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.