bind vs ligate

bind is a noun but ligate is not a noun.

Word	Noun	Adjective	Verb	Adverb
bind	Yes	No	Yes	No
ligate	No	No	Yes	No

As verbs, ligate is a hyponym of bind; that is, ligate is a word with a more specific, narrower meaning than bind:

bind (noun)	ligate (noun)
something that hinders as if with bonds

bind (verb)	ligate (verb)
cause to be constipated	bind with a bandage or ligature
form a chemical bond with	bind chemically
bind by an obligation; cause to be indebted	join letters in a ligature when writing
make fast; tie or secure, with or as if with a rope
fasten or secure with a rope, string, or cord
provide with a binding
stick to firmly
secure with or as if with ropes
wrap around with something so as to cover or enclose
create social or emotional ties