take away vs bring down

take away and bring down both are verbs.

Word	Noun	Adjective	Verb	Adverb
take away	No	No	Yes	No
bring down	No	No	Yes	No

As verbs, bring down is a hypernym of take away; that is, bring down is a word with a broader meaning than take away:

Other hypernyms of take away include cut, cut back, cut down, reduce, trim, trim back, trim down.

take away (verb)	bring down (verb)
take out or remove	cut down on; make a reduction in
remove something concrete, as by lifting, pushing, or taking off, or remove something abstract	impose something unpleasant
get rid of something abstract	cause to be enthusiastic
take away a part from; diminish	cause to come to the ground
buy and consume food from a restaurant or establishment that sells prepared food	move something or somebody to a lower position
remove from a certain place, environment, or mental or emotional state; transport into a new location or state	cause the downfall of; of rulers
take from a person or place