sash weight vs equaliser

sash weight and equaliser both are nouns.

Word	Noun	Adjective	Verb	Adverb
sash weight	Yes	No	No	No
equaliser	Yes	No	No	No

As nouns, equaliser is a hypernym of sash weight; that is, equaliser is a word with a broader meaning than sash weight:

Other hypernyms of sash weight include balance, counterbalance, counterpoise, counterweight, equalizer.

sash weight (noun)	equaliser (noun)
a counterweight for a sliding sash	a weight that balances another weight
	electronic equipment that reduces frequency distortion