Custom vs Habit

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

Custom

Top 1,000 (very common)B1noun

Habit

Top 1,000 (very common)A2noun
 CustomHabit
Pronunciation🇬🇧 /["/ˈkʌstəm/"]/🇺🇸 /["/ˈkʌstəm/"]/🇬🇧 /["/ˈhæbɪt/"]/🇺🇸 /["/ˈhæbɪt/"]/
MeaningA special way of doing something that is chosen by a person or group.Something you do regularly, often without thinking.
ExampleThe company has a custom of giving bonuses at the end of the year.Having a morning routine can help you develop a positive habit.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelB1A2
Part of speechnounnoun
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 customannoying, antisocial, bad, be in, have, acquire, change, by habit, from habit, out of habit, a creature of habit, force of habit, the habit of a lifetime, annoying, antisocial, bad, be in, have, acquire, change, by habit, from habit, out of habit, a creature of habit, force of habit, the habit of a lifetime, annoying, antisocial, bad, be in, have, acquire, change, by habit, from habit, out of habit, a creature of habit, force of habit, the habit of a lifetime
Antonymsstandard, normirregularity, disorder, chaos
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.'Habit' used as a verb instead of a noun., Confusing 'habit' with 'hobby'., 'Habits' treated as singular instead of plural.
Usage notesUsed when referring to practices that are specific to a person, culture, or organization. Not usually used in formal writing without context.Use 'habit' in everyday conversation when talking about actions people do automatically. Avoid in highly formal writing where 'practice' may be more appropriate.

Frequently asked questions: Custom vs Habit

What's the difference between Custom and Habit?

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

Are Custom and Habit the same CEFR level?

Custom: B1, Habit: A2 on the CEFR scale.

Can I use Custom and Habit interchangeably?

Not always. Custom and 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.