Favourite vs Pet

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

Favourite

Top 2,000 (common)A1adjective

Pet

Top 1,000 (very common)A2noun
Most common: Pet
 FavouritePet
Pronunciation🇬🇧 /["/ˈfeɪvərɪt/"]/🇺🇸 /["/ˈfeɪvərɪt/"]/🇬🇧 /["/pet/"]/🇺🇸 /["/pet/"]/
MeaningThe thing you like the most.An animal kept for companionship.
ExampleIt's one of my favourite movies.I have a pet dog named Rufus.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)
CEFR levelA1A2
Part of speechadjectivenoun
Collocationsfavourite food, favourite color, favourite movie, favourite song, favourite placedomestic, family, house, have, keep, own, shop, store, cat
Antonymsleast liked, unpopularwild animal, stray
Common mistakesConfused with 'favouritism', which means giving unfair advantage., Incorrect spelling, such as 'favorit' or 'favourite's'., 'Favourite' doesn't work as a verb; it's only a noun/adjective.Confused with 'pest', thinking they are the same., Using 'pet' as a verb incorrectly outside of its appropriate context., Incorrectly pluralizing with 'pets' when talking about a single pet.
Usage notesUse 'favourite' in situations where you talk about something you really like, such as food, books, or activities. It's appropriate in both spoken and written contexts. In some regions (like the US), 'favorite' is more commonly used.Use 'pet' to refer to domestic animals. It's neutral and widely used in conversation. Avoid using it in formal writing where more specific terms might be required.

Frequently asked questions: Favourite vs Pet

What's the difference between Favourite and Pet?

Favourite: The thing you like the most. Pet: An animal kept for companionship.

Which is more common: Favourite and Pet?

Pet is the most common in everyday English.

Are Favourite and Pet the same CEFR level?

Favourite: A1, Pet: A2 on the CEFR scale.

Can I use Favourite and Pet interchangeably?

Not always. Favourite and Pet 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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