Attach vs Belong

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

Attach

Top 1,000 (very common)B1verb

Belong

Top 1,000 (very common)A2verb
 AttachBelong
Pronunciation🇬🇧 /["/əˈtætʃ/","/əˈtætʃɪz/","/əˈtætʃt/","/əˈtætʃɪŋ/"]/🇺🇸 /["/əˈtætʃ/","/əˈtætʃɪz/","/əˈtætʃt/","/əˈtætʃɪŋ/"]/🇬🇧 /["/bɪˈlɒŋ/","/bɪˈlɒŋz/","/bɪˈlɒŋd/","/bɪˈlɒŋɪŋ/"]/🇺🇸 /["/bɪˈlɔːŋ/","/bɪˈlɔːŋz/","/bɪˈlɔːŋd/","/bɪˈlɔːŋɪŋ/"]/
Meaningto connect or fasten something to another thingTo be a part of something or to be owned by someone.
ExamplePlease attach the document to your email before sending it.Where do these plates belong *(= where are they kept)*?
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelB1A2
Part of speechverbverb
Collocationsfirmly, securely, loosely, tobelong to a group, belong to someone, feel like you belong, where you belong
Antonymsdetach, removeisolate, disjoin, detach
Common mistakesConfused with 'detach' – forgetting to use the right prefix., Using 'attaching' incorrectly in passive constructions., Not following with an object, e.g., 'attach to' instead of 'attach the document to'.Using 'belong' without the preposition 'to'., Confusing 'belong' with 'long' in pronunciation., Incorrectly assuming 'belong' can be used transitively.
Usage notesUse 'attach' for both physical and abstract connections, like emails or documents. Less common in very formal writing. Avoid with informal language unless using slang.Typically used in both spoken and written English. Suitable for casual and professional contexts. Avoid using in contexts where ownership is not clear.

Frequently asked questions: Attach vs Belong

What's the difference between Attach and Belong?

Attach: to connect or fasten something to another thing Belong: To be a part of something or to be owned by someone.

Are Attach and Belong the same CEFR level?

Attach: B1, Belong: A2 on the CEFR scale.

Can I use Attach and Belong interchangeably?

Not always. Attach and Belong 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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