marine engineer vs military

marine engineer and military both are nouns.

Word	Noun	Adjective	Verb	Adverb
marine engineer	Yes	No	No	No
military	Yes	Yes	No	No

marine engineer (noun)	military (noun)
a naval officer responsible for the operation and maintenance of the ship's engines	the military forces of a nation

marine engineer (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