ligature vs ligate

ligature is a noun but ligate is not a noun.

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

ligature (noun)	ligate (noun)
the act of tying or binding things together
something used to tie or bind
thread used by surgeons to bind a vessel (as to constrict the flow of blood)
a metal band used to attach a reed to the mouthpiece of a clarinet or saxophone
(music) a group of notes connected by a slur
character consisting of two or more letters combined into one

ligature (verb)	ligate (verb)
	bind with a bandage or ligature
	bind chemically
	join letters in a ligature when writing