recognize vs retrieve

recognize and retrieve both are verbs.

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

As verbs, retrieve is a hypernym of recognize; that is, retrieve is a word with a broader meaning than recognize:

Other hypernyms of recognize include call back, call up, recall, recollect, remember, think.

recognize (verb)	retrieve (verb)
perceive to be the same	recall knowledge from memory; have a recollection
be fully aware or cognizant of	run after, pick up, and bring to the master
accept (someone) to be what is claimed or accept his power and authority	go for and bring back
express obligation, thanks, or gratitude for	get or find back; recover the use of
express greetings upon meeting someone
detect with the senses
grant credentials to
show approval or appreciation of
exhibit recognition for (an antigen or a substrate)