silo vs military installation

silo and military installation both are nouns.

Word	Noun	Adjective	Verb	Adverb
silo	Yes	No	No	No
military installation	Yes	No	No	No

As nouns, military installation is a hypernym of silo; that is, military installation is a word with a broader meaning than silo:

silo: military installation consisting of an underground structure where ballistic missiles can be stored and fired
military installation: any facility servicing military forces

silo (noun)	military installation (noun)
a cylindrical tower used for storing silage	any facility servicing military forces
military installation consisting of an underground structure where ballistic missiles can be stored and fired