sunroom vs sun lounge

sunroom and sun lounge both are nouns.

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

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

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

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

sunroom (noun)	sun lounge (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