farthermost vs comparative

farthermost is not a noun while comparative is a noun.

Word	Noun	Adjective	Verb	Adverb
farthermost	No	Yes	No	No
comparative	Yes	Yes	No	No

farthermost (noun)	comparative (noun)
	the comparative form of an adjective or adverb

farthermost (adjective)	comparative (adjective)
(comparatives of `far') most remote in space or time or order	estimated by comparison; not absolute or complete
	relating to or based on or involving comparison