genius vs coruscation

genius and coruscation both are nouns.

Word	Noun	Adjective	Verb	Adverb
genius	Yes	No	No	No
coruscation	Yes	No	No	No

As nouns, coruscation is a hyponym of genius; that is, coruscation is a word with a more specific, narrower meaning than genius:

Other hyponyms of genius include pyrotechnics, scintillation, savant syndrome.

genius (noun)	coruscation (noun)
exceptional creative ability	a sudden or striking display of brilliance
a natural talent	the occurrence of a small flash or spark
unusual mental ability
someone who has exceptional intellectual ability and originality
someone who is dazzlingly skilled in any field