sun parlor vs sunroom

sun parlor and sunroom both are nouns.

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

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

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

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

sun parlor (noun)	sunroom (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