binder vs ligament

binder and ligament both are nouns.

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

As nouns, ligament is a hypernym of binder; that is, ligament is a word with a broader meaning than binder:

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