sutura vs suture

sutura and suture both are nouns.

Word	Noun	Adjective	Verb	Adverb
sutura	Yes	No	No	No
suture	Yes	No	Yes	No

As nouns, sutura and suture are synonyms defined as:

sutura and suture: an immovable joint (especially between the bones of the skull)

Other synonyms of sutura include fibrous joint.

sutura (noun)	suture (noun)
an immovable joint (especially between the bones of the skull)	thread of catgut or silk or wire used by surgeons to stitch tissues together
	a seam used in surgery
	an immovable joint (especially between the bones of the skull)

sutura (verb)	suture (verb)
	join with a suture