open fireplace vs fireside

open fireplace and fireside both are nouns.

Word	Noun	Adjective	Verb	Adverb
open fireplace	Yes	No	No	No
fireside	Yes	No	No	No

open fireplace (noun)	fireside (noun)
an open recess in a wall at the base of a chimney where a fire can be built	home symbolized as a part of the fireplace
	an area near a fireplace (usually paved and extending out into a room)