pyrotechnic vs pyrotechnics

pyrotechnic and pyrotechnics both are nouns.

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

pyrotechnic (noun)	pyrotechnics (noun)
(usually plural) a device with an explosive that burns at a low rate and with colored flames; can be used to illuminate areas or send signals etc.	the craft of making fireworks
	(music) brilliance of display (as in the performance of music)

pyrotechnic (adjective)	pyrotechnics (adjective)
of or relating to the craft of making fireworks
suggestive of fireworks