Bums vs Rear

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

Bums

InformalTop 5,000 (fairly common)

Rear

Top 2,000 (common)C1adjective
Most formal: RearMost common: Rear
 BumsRear
Pronunciation🇬🇧 //bʌmz//🇺🇸 //bʌmz//🇬🇧 /["/rɪə(r)/"]/🇺🇸 /["/rɪr/"]/
MeaningButtocks or rear part of the body.The back part of something or the back side.
ExampleShe fell and landed on her bums.front and rear windows
RegisterInformalNeutral
How commonTop 5,000 (fairly common)Top 2,000 (common)
CEFR level-C1
Part of speechadjective
Collocationsshow your bums, sore bums, big bums, cute bums, fall on your bumsrear view, rear end, rear section, rear window, rear guard
Antonymspersistence, successfront, beginning, lead
Common mistakesConfused 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.Confused with 'rare' in pronunciation., Used incorrectly as a verb instead of a noun., Misplaced in phrases where 'back' would be more natural.
Usage notesPrimarily used in informal contexts when talking about the human body. Avoid in formal settings. Can refer to people as well as the body part.Use 'rear' when referring to the back part of an object or person. It is neutral and commonly used in both casual and formal contexts. Avoid using it in very informal speech where simpler terms like 'back' may be preferred.

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Bums
Rear

Frequently asked questions: Bums vs Rear

What's the difference between Bums and Rear?

Bums: Buttocks or rear part of the body. Rear: The back part of something or the back side.

Which is more formal: Bums and Rear?

Rear is the most formal of these.

Which is more common: Bums and Rear?

Rear is the most common in everyday English.

Can you show an example of each?

Bums: She fell and landed on her bums. Rear: front and rear windows

Can I use Bums and Rear interchangeably?

Not always. Bums and Rear 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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