ranger vs armed services

ranger and armed services both are nouns.

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

ranger (noun)	armed services (noun)
an official who is responsible for managing and protecting an area of forest	the military forces of a nation
a member of a military unit trained as shock troops for hit-and-run raids