central vs midmost

central is a noun but midmost is not a noun.

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

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

central (adjective)	midmost (adjective)
in or near a center or constituting a center; the inner area	being in the exact middle
serving as an essential component

central (adverb)	midmost (adverb)
	the middle or central part or point