Bath vs Bathtub

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

Bath

Top 1,000 (very common)A1noun

Bathtub

Top 5,000 (fairly common)
Most common: Bath
 BathBathtub
Pronunciation🇬🇧 /["/bɑːθ/","/bɑːðz/"]/🇺🇸 /["/bæθ/","/bæðz/"]/🇬🇧 //ˈbɑːθtʌb//🇺🇸 //ˈbæθtʌb//
MeaningA place to wash yourself, usually filled with water.A large container for bathing in.
ExampleI like to take a warm bath after a long day.She filled the **bathtub** with warm water to relax after a long day.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 5,000 (fairly common)
CEFR levelA1-
Part of speechnoun
Collocationsfree-standing, sunken, cast-iron, fill, lie in, soak in, faucet, tap, in the bath, hot, warm, cold, draw, prepare, run, mat, towel, oil, hot, warm, cold, draw, prepare, run, mat, towel, oilfill the bathtub, clean the bathtub, bathtub mat, bathtub drain
Antonymsdirt, filthshower, pool
Common mistakesConfused with 'bathtub' which refers specifically to the structure., Mixing up 'bath' with 'shower'., Using 'bath' as a verb incorrectly, e.g., saying 'I bath' instead of 'I bathe'.Confusing with 'shower' - a shower is different than a bathtub., Using 'bathtub' when referring to a bathroom generally - bathtub is a specific item.
Usage notesUsed commonly in everyday conversation. Appropriate in both casual and formal contexts, except when discussing hygiene in a very formal or clinical setting.Use in everyday conversation about bathrooms and hygiene. Avoid in formal writing.

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Bath
Bathtub

Frequently asked questions: Bath vs Bathtub

What's the difference between Bath and Bathtub?

Bath: A place to wash yourself, usually filled with water. Bathtub: A large container for bathing in.

Which is more common: Bath and Bathtub?

Bath is the most common in everyday English.

Can you show an example of each?

Bath: I like to take a warm bath after a long day. Bathtub: She filled the **bathtub** with warm water to relax after a long day.

Can I use Bath and Bathtub interchangeably?

Not always. Bath and Bathtub 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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