military vs hospital train

military and hospital train both are nouns.

Word	Noun	Adjective	Verb	Adverb
military	Yes	Yes	No	No
hospital train	Yes	No	No	No

military (noun)	hospital train (noun)
the military forces of a nation	a military train built to transport wounded troops to a hospital

military (adjective)	hospital train (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