counterbalance vs equalizer

counterbalance and equalizer both are nouns.

Word	Noun	Adjective	Verb	Adverb
counterbalance	Yes	No	Yes	No
equalizer	Yes	No	No	No

As nouns, counterbalance and equalizer are synonyms defined as:

Other synonyms of counterbalance include balance, counterpoise, counterweight, equaliser.

counterbalance (noun)	equalizer (noun)
a weight that balances another weight	a score that makes the match even
a compensating equivalent	a weight that balances another weight
equality of distribution	electronic equipment that reduces frequency distortion

counterbalance (verb)	equalizer (verb)
oppose and mitigate the effects of by contrary actions
contrast with equal weight or force
adjust for