forgather vs fort

forgather is not a noun while fort is a noun.

Word	Noun	Adjective	Verb	Adverb
forgather	No	No	Yes	No
fort	Yes	No	Yes	No

As verbs, fort is a hyponym of forgather; that is, fort is a word with a more specific, narrower meaning than forgather:

forgather (noun)	fort (noun)
	a fortified defensive structure
	a fortified military post where troops are stationed

forgather (verb)	fort (verb)
collect in one place	station (troops) in a fort
	enclose by or as if by a fortification
	gather in, or as if in, a fort, as for protection or defense