ligate vs ligature

ligate is not a noun while ligature is a noun.

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

ligate (noun)	ligature (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

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