evenfall vs crepuscule

evenfall and crepuscule both are nouns.

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

As nouns, evenfall and crepuscule are synonyms defined as:

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

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