fibrous joint vs suture

fibrous joint and suture both are nouns.

Word	Noun	Adjective	Verb	Adverb
fibrous joint	Yes	No	No	No
suture	Yes	No	Yes	No

As nouns, fibrous joint and suture are synonyms defined as:

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

Other synonyms of fibrous joint include sutura.

fibrous joint (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)

fibrous joint (verb)	suture (verb)
	join with a suture