pyrotechnic vs plural form

pyrotechnic and plural form both are nouns.

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

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

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