military expedition vs military

military expedition and military both are nouns.

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

military expedition (noun)	military (noun)
a military campaign designed to achieve a specific objective in a foreign country	the military forces of a nation

military expedition (adjective)	military (adjective)
	associated with or performed by members of the armed services as contrasted with civilians
	characteristic of or associated with soldiers or the military
	of or relating to the study of the principles of warfare