peacekeeping vs armed forces

peacekeeping and armed forces both are nouns.

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

peacekeeping (noun)	armed forces (noun)
the activity of keeping the peace by military forces (especially when international military forces enforce a truce between hostile groups or nations)	the military forces of a nation

peacekeeping (adjective)	armed forces (adjective)
of or relating to the preservation of peace between hostile groups by international military forces