window sash vs framework

window sash and framework both are nouns.

Word	Noun	Adjective	Verb	Adverb
window sash	Yes	No	No	No
framework	Yes	No	No	No

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

window sash: a framework that holds the panes of a window in the window frame
framework: a structure supporting or containing something

Other hypernyms of window sash include frame.

window sash (noun)	framework (noun)
a framework that holds the panes of a window in the window frame	a structure supporting or containing something
	the underlying structure
	a hypothetical description of a complex entity or process