sun parlor vs sun parlour

sun parlor and sun parlour both are nouns.

Word	Noun	Adjective	Verb	Adverb
sun parlor	Yes	No	No	No
sun parlour	Yes	No	No	No

As nouns, sun parlor and sun parlour are synonyms defined as:

sun parlor and sun parlour: a room enclosed largely with glass and affording exposure to the sun

Other synonyms of sun parlor include solarium, sun lounge, sun porch, sunporch, sunroom.

sun parlor (noun)	sun parlour (noun)
a room enclosed largely with glass and affording exposure to the sun	a room enclosed largely with glass and affording exposure to the sun