halfway vs central

halfway is not a noun while central is a noun.

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

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

halfway (adjective)	central (adjective)
equally distant from the extremes	in or near a center or constituting a center; the inner area
including only half or a portion	serving as an essential component
at a point midway between two extremes

halfway (adverb)	central (adverb)
at half the distance; at the middle