Function vs The vitamins work better at night

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

Function

Top 1,000 (very common)B1noun

The vitamins work better at night

Top 2,000 (common)
Most common: Function
 FunctionThe vitamins work better at night
Pronunciation🇬🇧 /["/ˈfʌŋkʃn/"]/🇺🇸 /["/ˈfʌŋkʃn/"]/🇬🇧 //ðə ˈvaɪtəmɪnz wɜːk ˈbɛtə æt naɪt//🇺🇸 //ðə ˈvaɪtəmɪnz wɜrk ˈbɛtər æt naɪt//
MeaningWhat something does or is used for.Vitamins are more effective when taken at night.
ExampleThe main function of the heart is to pump blood throughout the body.The vitamins work better at night when your body is resting.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelB1-
Part of speechnoun
Collocationsimportant, useful, valuable, have, carry out, fulfil/​fulfill, charity, official, social, hold, attend, go to, roomwork effectively, work better, work together, work well, work at night
Antonymsdysfunction, malfunction-
Common mistakes'Function' is confused with 'functional' — they are different., Using 'function' when 'purpose' is more appropriate., Incorrectly pluralizing 'function' when referring to it in general terms.Confused with 'effect' vs 'effectiveness'., Using 'works' for plural subjects incorrectly., Misusing 'work' in non-physical contexts.
Usage notesUse 'function' when discussing what something is supposed to do. It's appropriate in technical, academic, or everyday contexts, but avoid it in very casual conversations.Use 'work' in contexts about effectiveness; avoid in strictly academic settings.

Frequently asked questions: Function vs The vitamins work better at night

What's the difference between Function and The vitamins work better at night?

Function: What something does or is used for. The vitamins work better at night: Vitamins are more effective when taken at night.

Which is more common: Function and The vitamins work better at night?

Function is the most common in everyday English.

Can you show an example of each?

Function: The main function of the heart is to pump blood throughout the body. The vitamins work better at night: The vitamins work better at night when your body is resting.

Can I use Function and The vitamins work better at night interchangeably?

Not always. Function and The vitamins work better at night 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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