fort vs assemble

fort is a noun but assemble is not a noun.

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

As verbs, assemble is a hypernym of fort; that is, assemble is a word with a broader meaning than fort:

Other hypernyms of fort include foregather, forgather, gather, meet.

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

fort (verb)	assemble (verb)
station (troops) in a fort	create by putting components or members together
enclose by or as if by a fortification	collect in one place
gather in, or as if in, a fort, as for protection or defense	get people together