sunroom vs sun parlor

sunroom and sun parlor both are nouns.

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

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

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

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

sunroom (noun)	sun parlor (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