Translation guide
A bath with jets that circulate water, often found in spas or homes. In Japanese, this is commonly referred to as ジャグジー (from the brand name Jacuzzi) or described as 泡風呂 (bubble bath) or 渦流浴 (whirlpool bath, more technical).
whirlpool bath
Most common term, from the brand Jacuzzi.
A bath with water jets that create a swirling, massaging effect.
The most common and natural way to refer to a whirlpool bath in everyday Japanese, derived from the brand name Jacuzzi. Used for both the bath itself and the facility.
ホテルの部屋にジャグジーが付いていた。
The hotel room had a whirlpool bath.
I relaxed in the whirlpool bath.
Literally 'bubble bath', this can refer to a whirlpool bath with jets that produce bubbles, or a bath with added bubble bath product. Context usually makes it clear.
It feels good to take a bubble bath.
A technical/medical term for whirlpool bath therapy. Used in rehabilitation or spa contexts.
Whirlpool baths promote blood circulation.
Literally 'jet bath', this term is also used for whirlpool baths, especially those with strong water jets. Common in product descriptions.
I installed a jet bath at home.