sun lounge vs sun porch

sun lounge and sun porch both are nouns.

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

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

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

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

sun lounge (noun)	sun porch (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