crepuscule vs gloaming

crepuscule and gloaming both are nouns.

Word	Noun	Adjective	Verb	Adverb
crepuscule	Yes	No	No	No
gloaming	Yes	No	No	No

As nouns, crepuscule and gloaming are synonyms defined as:

Other synonyms of crepuscule include crepuscle, dusk, evenfall, fall, gloam, nightfall, twilight.

crepuscule (noun)	gloaming (noun)
the time of day immediately following sunset	the time of day immediately following sunset