sash weight vs equalizer

sash weight and equalizer both are nouns.

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

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

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

sash weight (noun)	equalizer (noun)
a counterweight for a sliding sash	a score that makes the match even
	a weight that balances another weight
	electronic equipment that reduces frequency distortion