central vs nuclear

central is a noun but nuclear is not a noun.

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

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

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