Behind vs Bums

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

Behind

Top 1,000 (very common)A1preposition

Bums

InformalTop 5,000 (fairly common)
Most formal: BehindMost common: Behind
 BehindBums
Pronunciation🇬🇧 /["/bɪˈhaɪnd/"]/🇺🇸 /["/bɪˈhaɪnd/"]/🇬🇧 //bʌmz//🇺🇸 //bʌmz//
MeaningAt the back of something.Buttocks or rear part of the body.
ExampleThe cat is hiding behind the curtain.She fell and landed on her bums.
RegisterNeutralInformal
How commonTop 1,000 (very common)Top 5,000 (fairly common)
CEFR levelA1-
Part of speechpreposition
Collocationsbehind the scenes, behind closed doors, fall behindshow your bums, sore bums, big bums, cute bums, fall on your bums
Antonymsin front of, aheadpersistence, success
Common mistakesConfusing 'behind' with 'in front of', Using 'behind' without a noun after it, Misplacing 'behind' in a sentence (e.g., 'I am behind the door' instead of 'Behind the door, I am')Confused with 'bums' as in lazy people., Misunderstanding the plural form when referring to a single person., Using it in formal situations where 'buttocks' is more appropriate.
Usage notesUse 'behind' to describe location or position. It's neutral and suitable for most contexts, but avoid using it in overly formal writing.Primarily used in informal contexts when talking about the human body. Avoid in formal settings. Can refer to people as well as the body part.

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Behind
Bums

Frequently asked questions: Behind vs Bums

What's the difference between Behind and Bums?

Behind: At the back of something. Bums: Buttocks or rear part of the body.

Which is more formal: Behind and Bums?

Behind is the most formal of these.

Which is more common: Behind and Bums?

Behind is the most common in everyday English.

Can you show an example of each?

Behind: The cat is hiding behind the curtain. Bums: She fell and landed on her bums.

Can I use Behind and Bums interchangeably?

Not always. Behind and Bums 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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