home reserve vs ARNG

home reserve and ARNG both are nouns.

Word	Noun	Adjective	Verb	Adverb
home reserve	Yes	No	No	No
ARNG	Yes	No	No	No

As nouns, ARNG is a hyponym of home reserve; that is, ARNG is a word with a more specific, narrower meaning than home reserve:

home reserve: United States military reserves recruited by the states and equipped by the federal government; subject to call by either
ARNG: a civilian reserve component of the United States Army comprised of guardsmen who serve during overseas peacekeeping missions and during local emergencies

Other hyponyms of home reserve include Air National Guard, ANG, Army National Guard.

home reserve (noun)	ARNG (noun)
United States military reserves recruited by the states and equipped by the federal government; subject to call by either	a civilian reserve component of the United States Army comprised of guardsmen who serve during overseas peacekeeping missions and during local emergencies