sutura frontalis vs suture

sutura frontalis and suture both are nouns.

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

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

sutura frontalis: the suture between two halves of the frontal bone (usually obliterated by the age of 6)
suture: an immovable joint (especially between the bones of the skull)

Other hypernyms of sutura frontalis include fibrous joint, sutura.

sutura frontalis (noun)	suture (noun)
the suture between two halves of the frontal bone (usually obliterated by the age of 6)	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 frontalis (verb)	suture (verb)
	join with a suture