coronal suture vs suture

coronal suture and suture both are nouns.

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

As nouns, suture is a hypernym of coronal suture; that is, suture is a word with a broader meaning than coronal suture:

coronal suture: the suture between the parietal and frontal bones of the skull
suture: an immovable joint (especially between the bones of the skull)

Other hypernyms of coronal suture include fibrous joint, sutura.

coronal suture (noun)	suture (noun)
the suture between the parietal and frontal 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)

coronal suture (verb)	suture (verb)
	join with a suture