equaliser vs counterpoise

equaliser and counterpoise both are nouns.

Word	Noun	Adjective	Verb	Adverb
equaliser	Yes	No	No	No
counterpoise	Yes	No	Yes	No

As nouns, equaliser and counterpoise are synonyms defined as:

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

equaliser (noun)	counterpoise (noun)
a weight that balances another weight	a weight that balances another weight
electronic equipment that reduces frequency distortion

equaliser (verb)	counterpoise (verb)
	constitute a counterweight or counterbalance to