sun lounge vs sun parlour

sun lounge and sun parlour both are nouns.

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

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

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

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

sun lounge (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