facula vs solar facula

facula and solar facula both are nouns.

Word	Noun	Adjective	Verb	Adverb
facula	Yes	No	No	No
solar facula	Yes	No	No	No

As nouns, facula and solar facula are synonyms defined as:

facula and solar facula: a large bright spot on the sun's photosphere occurring most frequently in the vicinity of sunspots

facula (noun)	solar facula (noun)
a large bright spot on the sun's photosphere occurring most frequently in the vicinity of sunspots	a large bright spot on the sun's photosphere occurring most frequently in the vicinity of sunspots
a bright spot on a planet