ligament vs binder

ligament and binder both are nouns.

Word	Noun	Adjective	Verb	Adverb
ligament	Yes	No	No	No
binder	Yes	No	No	No

As nouns, binder is a hyponym of ligament; that is, binder is a word with a more specific, narrower meaning than ligament:

Other hyponyms of ligament include ligature, chain, wire.

ligament (noun)	binder (noun)
any connection or unifying bond	something used to tie or bind
a sheet or band of tough fibrous tissue connecting bones or cartilages or supporting muscles or organs	holds loose papers or magazines
	a machine that cuts grain and binds it in sheaves
	something used to bind separate particles together or facilitate adhesion to a surface