Custom vs Force of habit

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

Custom

Top 1,000 (very common)B1noun

Force of habit

Beyond 10,000 (less common)
Most common: Custom
 CustomForce of habit
Pronunciation🇬🇧 /["/ˈkʌstəm/"]/🇺🇸 /["/ˈkʌstəm/"]/🇬🇧 //fɔːs əv ˈhæbɪt//🇺🇸 //fɔrs əv ˈhæbɪt//
MeaningA special way of doing something that is chosen by a person or group.Something you do regularly without thinking.
ExampleThe company has a custom of giving bonuses at the end of the year.He checks his phone every morning out of force of habit.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Beyond 10,000 (less common)
CEFR levelB1-
Part of speechnoun
Collocationsaccepted, age-old, ancient, follow, observe, practise/​practice, die out, disappear, prevail, according to a/​the custom, in accordance with (a/​the) custom, through custom, as is/​was the customact out of force of habit, fall into a force of habit, break a force of habit
Antonymsstandard, norm-
Common mistakesConfused with 'costume' due to similar spelling., Misused as a verb instead of a noun in sentences., Omitted the plural when talking about multiple customs.Using it in formal writing where a simple explanation would suffice., Confusing it with 'habit' alone, which doesn't emphasize the automaticity.
Usage notesUsed when referring to practices that are specific to a person, culture, or organization. Not usually used in formal writing without context.Use in conversation when discussing actions done automatically. It's suitable for both spoken and written English, but more common in informal contexts.

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Force of habit

Frequently asked questions: Custom vs Force of habit

What's the difference between Custom and Force of habit?

Custom: A special way of doing something that is chosen by a person or group. Force of habit: Something you do regularly without thinking.

Which is more common: Custom and Force of habit?

Custom is the most common in everyday English.

Can you show an example of each?

Custom: The company has a custom of giving bonuses at the end of the year. Force of habit: He checks his phone every morning out of force of habit.

Can I use Custom and Force of habit interchangeably?

Not always. Custom and Force of habit 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.