infiltration vs armed services

infiltration and armed services both are nouns.

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

infiltration (noun)	armed services (noun)
a process in which individuals (or small groups) penetrate an area (especially the military penetration of enemy positions without detection)	the military forces of a nation
the slow passage of a liquid through a filtering medium