pyrotechny vs craft

pyrotechny and craft both are nouns.

Word	Noun	Adjective	Verb	Adverb
pyrotechny	Yes	No	No	No
craft	Yes	No	Yes	No

As nouns, craft is a hypernym of pyrotechny; that is, craft is a word with a broader meaning than pyrotechny:

Other hypernyms of pyrotechny include trade.

pyrotechny (noun)	craft (noun)
the craft of making fireworks	the skilled practice of a practical occupation
	a vehicle designed for navigation in or on water or air or through outer space
	shrewdness as demonstrated by being skilled in deception
	skill in an occupation or trade
	people who perform a particular kind of skilled work

pyrotechny (verb)	craft (verb)
	make by hand and with much skill