suture vs sutura

suture and sutura both are nouns.

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

As nouns, suture and sutura are synonyms defined as:

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

Other synonyms of suture include fibrous joint.

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

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