reserves vs militia

reserves and militia both are nouns.

Word	Noun	Adjective	Verb	Adverb
reserves	Yes	No	No	No
militia	Yes	No	No	No

As nouns, reserves and militia are synonyms defined as:

reserves and militia: civilians trained as soldiers but not part of the regular army

reserves (noun)	militia (noun)
civilians trained as soldiers but not part of the regular army	civilians trained as soldiers but not part of the regular army
	the entire body of physically fit civilians eligible by law for military service