nuclear vs central

nuclear is not a noun while central is a noun.

Word	Noun	Adjective	Verb	Adverb
nuclear	No	Yes	No	No
central	Yes	Yes	No	No

nuclear (noun)	central (noun)
	a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication

nuclear (adjective)	central (adjective)
(weapons) deriving destructive energy from the release of atomic energy	in or near a center or constituting a center; the inner area
of or relating to or constituting the nucleus of an atom	serving as an essential component
of or relating to or constituting the nucleus of a cell
constituting or like a nucleus