military vs peacekeeping

military and peacekeeping both are nouns.

Word	Noun	Adjective	Verb	Adverb
military	Yes	Yes	No	No
peacekeeping	Yes	Yes	No	No

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

military (adjective)	peacekeeping (adjective)
associated with or performed by members of the armed services as contrasted with civilians	of or relating to the preservation of peace between hostile groups by international military forces
characteristic of or associated with soldiers or the military
of or relating to the study of the principles of warfare