agree vs concede

agree and concede both are verbs.

Word	Noun	Adjective	Verb	Adverb
agree	No	No	Yes	No
concede	No	No	Yes	No

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

agree (verb)	concede (verb)
be in accord; be in agreement	admit (to a wrongdoing)
consent or assent to a condition, or agree to do something	be willing to concede
achieve harmony of opinion, feeling, or purpose	acknowledge defeat
be agreeable or suitable	give over; surrender or relinquish to the physical control of another
be compatible, similar or consistent; coincide in their characteristics
go together
show grammatical agreement