encounter vs assemble

encounter is a noun but assemble is not a noun.

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

encounter (noun)	assemble (noun)
a minor short-term fight
a casual meeting with a person or thing
a hostile disagreement face-to-face
a casual or unexpected convergence

encounter (verb)	assemble (verb)
contend against an opponent in a sport, game, or battle	create by putting components or members together
come together	collect in one place
come upon, as if by accident; meet with	get people together
be beset by
experience as a reaction