recognize vs salute

recognize is not a noun while salute is a noun.

Word	Noun	Adjective	Verb	Adverb
recognize	No	No	Yes	No
salute	Yes	No	Yes	No

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

Other hyponyms of recognize include shake hands, bob, curtsy, present, hail, herald, receive, welcome, say farewell, bid, wish.

recognize (noun)	salute (noun)
	an act of honor or courteous recognition
	a formal military gesture of respect
	an act of greeting with friendly words and gestures like bowing or lifting the hat

recognize (verb)	salute (verb)
perceive to be the same	greet in a friendly way
be fully aware or cognizant of	recognize with a gesture prescribed by a military regulation; assume a prescribed position
accept (someone) to be what is claimed or accept his power and authority	honor with a military ceremony, as when honoring dead soldiers
express obligation, thanks, or gratitude for	express commendation of
express greetings upon meeting someone	propose a toast to
detect with the senses	become noticeable
grant credentials to
show approval or appreciation of
exhibit recognition for (an antigen or a substrate)