telecommunication vs plural

telecommunication and plural both are nouns.

Word	Noun	Adjective	Verb	Adverb
telecommunication	Yes	No	No	No
plural	Yes	Yes	No	No

telecommunication (noun)	plural (noun)
(often plural) the branch of electrical engineering concerned with the technology of electronic communication at a distance	the form of a word that is used to denote more than one
(often plural) systems used in transmitting messages over a distance electronically

telecommunication (adjective)	plural (adjective)
	grammatical number category referring to two or more items or units
	composed of more than one member, set, or kind