military vs military engineer

military and military engineer both are nouns.

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

military (noun)	military engineer (noun)
the military forces of a nation	a member of the military who is trained in engineering and construction work

military (adjective)	military engineer (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