concession vs takeaway

concession and takeaway both are nouns.

Word	Noun	Adjective	Verb	Adverb
concession	Yes	No	No	No
takeaway	Yes	No	No	No

As nouns, takeaway is a hyponym of concession; that is, takeaway is a word with a more specific, narrower meaning than concession:

concession: a point conceded or yielded
takeaway: a concession made by a labor union to a company that is trying to lower its expenditures

Other hyponyms of concession include sop, judicial admission, stipulation, wage concession.

concession (noun)	takeaway (noun)
a contract granting the right to operate a subsidiary business	the act of taking the ball or puck away from the team on the offense (as by the interception of a pass)
a point conceded or yielded	a concession made by a labor union to a company that is trying to lower its expenditures
the act of conceding or yielding	prepared food that is intended to be eaten off of the premises