military vs spit and polish

military and spit and polish both are nouns.

Word	Noun	Adjective	Verb	Adverb
military	Yes	Yes	No	No
spit and polish	Yes	No	No	No

military (noun)	spit and polish (noun)
the military forces of a nation	careful attention to order and appearance (as in the military)

military (adjective)	spit and polish (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