surgical seam vs suture

surgical seam and suture both are nouns.

Word	Noun	Adjective	Verb	Adverb
surgical seam	Yes	No	No	No
suture	Yes	No	Yes	No

As nouns, surgical seam and suture are synonyms defined as:

surgical seam (noun)	suture (noun)
a seam used in surgery	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)

surgical seam (verb)	suture (verb)
	join with a suture