fleck vs solar facula

fleck and solar facula both are nouns.

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

As nouns, solar facula is a hyponym of fleck; that is, solar facula is a word with a more specific, narrower meaning than fleck:

fleck: a small contrasting part of something
solar facula: a large bright spot on the sun's photosphere occurring most frequently in the vicinity of sunspots

fleck (noun)	solar facula (noun)
a small contrasting part of something	a large bright spot on the sun's photosphere occurring most frequently in the vicinity of sunspots
a small fragment of something broken off from the whole

fleck (verb)	solar facula (verb)
make a spot or mark onto