armed forces vs opposition

armed forces and opposition both are nouns.

Word	Noun	Adjective	Verb	Adverb
armed forces	Yes	No	No	No
opposition	Yes	No	No	No

armed forces (noun)	opposition (noun)
the military forces of a nation	the act of hostile groups opposing each other
	the action of opposing something that you disapprove or disagree with
	a body of people united in opposing something
	an armed adversary (especially a member of an opposing military force)
	a contestant that you are matched against
	a direction opposite to another
	the relation between opposed entities