reinforcement vs armed services

reinforcement and armed services both are nouns.

Word	Noun	Adjective	Verb	Adverb
reinforcement	Yes	No	No	No
armed services	Yes	No	No	No

reinforcement (noun)	armed services (noun)
an act performed to strengthen approved behavior	the military forces of a nation
a military operation (often involving new supplies of men and materiel) to strengthen a military force or aid in the performance of its mission
a device designed to provide additional strength
(psychology) a stimulus that strengthens or weakens the behavior that produced it
information that makes more forcible or convincing