Attach vs Hook

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

Attach

Top 1,000 (very common)B1verb

Hook

Top 1,000 (very common)B2noun
 AttachHook
Pronunciation🇬🇧 /["/əˈtætʃ/","/əˈtætʃɪz/","/əˈtætʃt/","/əˈtætʃɪŋ/"]/🇺🇸 /["/əˈtætʃ/","/əˈtætʃɪz/","/əˈtætʃt/","/əˈtætʃɪŋ/"]/🇬🇧 /["/hʊk/"]/🇺🇸 /["/hʊk/"]/
Meaningto connect or fasten something to another thingA curved object that is used to catch things.
ExamplePlease attach the document to your email before sending it.The jacket has a small hook at the collar to hang it easily.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelB1B2
Part of speechverbnoun
Collocationsfirmly, securely, loosely, tohook a fish, hook someone’s attention, hook up, tune a hook, hook line
Antonymsdetach, removeunhook, release
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'.Confusing with 'look' in pronunciation., Using 'hook' as a noun when it should be a verb and vice versa., Incorrectly assuming it only refers to a fishing tool.
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.Use 'hook' when talking about something that grips or catches. It’s neutral and appropriate in both casual and formal contexts. Avoid using in very literal contexts where actual fishing hooks are discussed unless relevant.

Frequently asked questions: Attach vs Hook

What's the difference between Attach and Hook?

Attach: to connect or fasten something to another thing Hook: A curved object that is used to catch things.

Are Attach and Hook the same CEFR level?

Attach: B1, Hook: B2 on the CEFR scale.

Can I use Attach and Hook interchangeably?

Not always. Attach and Hook 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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