vapor bath vs vapour bath

vapor bath and vapour bath both are nouns.

Word	Noun	Adjective	Verb	Adverb
vapor bath	Yes	No	No	No
vapour bath	Yes	No	No	No

As nouns, vapor bath and vapour bath are synonyms defined as:

vapor bath and vapour bath: you sweat in a steam room before getting a rubdown and cold shower

Other synonyms of vapor bath include steam bath, Turkish bath.

As nouns, vapor bath and vapour bath are synonyms defined as:

vapor bath and vapour bath: a room that can be filled with steam in which people bathe; `vapour bath' is a British term

Other synonyms of vapor bath include steam bath, steam room.

vapor bath (noun)	vapour bath (noun)
you sweat in a steam room before getting a rubdown and cold shower	you sweat in a steam room before getting a rubdown and cold shower
a room that can be filled with steam in which people bathe; `vapour bath' is a British term	a room that can be filled with steam in which people bathe; `vapour bath' is a British term