central vs peripheral

central and peripheral both are nouns.

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

central (noun)	peripheral (noun)
a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication	electronic equipment external to the circuit board that contains the CPU of a computer

central (adjective)	peripheral (adjective)
in or near a center or constituting a center; the inner area	on or near an edge or constituting an outer boundary; the outer area
serving as an essential component	related to the key issue but not of central importance