sunporch vs sun parlour

sunporch and sun parlour both are nouns.

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

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

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

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

sunporch (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