pyrotechnics vs genius

pyrotechnics and genius both are nouns.

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

As nouns, genius is a hypernym of pyrotechnics; that is, genius is a word with a broader meaning than pyrotechnics:

pyrotechnics: (music) brilliance of display (as in the performance of music)
genius: unusual mental ability

Other hypernyms of pyrotechnics include brilliance.

pyrotechnics (noun)	genius (noun)
the craft of making fireworks	exceptional creative ability
(music) brilliance of display (as in the performance of music)	a natural talent
	unusual mental ability
	someone who has exceptional intellectual ability and originality
	someone who is dazzlingly skilled in any field