soldiery vs garrison

soldiery and garrison both are nouns.

Word	Noun	Adjective	Verb	Adverb
soldiery	Yes	No	No	No
garrison	Yes	No	Yes	No

As nouns, garrison is a hyponym of soldiery; that is, garrison is a word with a more specific, narrower meaning than soldiery:

Other hyponyms of soldiery include friendly, hostile, cavalry, horse, horse cavalry.

soldiery (noun)	garrison (noun)
soldiers collectively	a fortified military post where troops are stationed
	the troops who maintain and guard a fortified place

soldiery (verb)	garrison (verb)
	station (troops) in a fort or garrison