sun porch vs sun parlor

sun porch and sun parlor both are nouns.

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

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

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

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

sun porch (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