armed services vs military machine

armed services and military machine both are nouns.

Word	Noun	Adjective	Verb	Adverb
armed services	Yes	No	No	No
military machine	Yes	No	No	No

As nouns, armed services and military machine are synonyms defined as:

Other synonyms of armed services include armed forces, military, war machine.

armed services (noun)	military machine (noun)
the military forces of a nation	the military forces of a nation