station vs garrison

station and garrison both are nouns.

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

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

Other hyponyms of station include fort, locate, place, site.

station (noun)	garrison (noun)
a facility equipped with special equipment and personnel for a particular purpose	a fortified military post where troops are stationed
the frequency assigned to a broadcasting station	the troops who maintain and guard a fortified place
the position where someone (as a guard or sentry) stands or is assigned to stand
(nautical) the location to which a ship or fleet is assigned for duty
proper or designated social situation

station (verb)	garrison (verb)
assign to a station	station (troops) in a fort or garrison