What context can I use each word in?
Learn when and how to use these words with these examples!
butts
Example
She slipped and landed on her butts. [butts: plural noun]
Example
He has a big butts from all the sitting. [butts: possessive noun]
bum
Example
She fell and hurt her bum. [bum: noun]
Example
He's been sitting on his bum all day. [bum: noun]
Good things to know
Which word is more common?
Butts is more common in American English, while bum is more common in British English and other Commonwealth countries.
What’s the difference in the tone of formality between butts and bum?
Butts is generally more informal and casual, while bum can be used in both formal and informal contexts.