plural form vs pyrotechnic

plural form and pyrotechnic both are nouns.

Word	Noun	Adjective	Verb	Adverb
plural form	Yes	No	No	No
pyrotechnic	Yes	Yes	No	No

plural form (noun)	pyrotechnic (noun)
the form of a word that is used to denote more than one	(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.

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