send vs garrison

send is not a noun while garrison is a noun.

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

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

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

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

send (verb)	garrison (verb)
cause to be directed or transmitted to another place	station (troops) in a fort or garrison
transfer
broadcast over the airwaves, as in radio or television
assign to a station
to cause or order to be taken, directed, or transmitted to another place
transport commercially
cause to go somewhere
cause to be admitted; of persons to an institution