equalizer vs counterbalance

equalizer and counterbalance both are nouns.

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

As nouns, equalizer and counterbalance are synonyms defined as:

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

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

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