intermaxillary suture vs sutura

intermaxillary suture and sutura both are nouns.

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

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

intermaxillary suture: the suture between the two maxillae of the upper jawbone
sutura: an immovable joint (especially between the bones of the skull)

Other hypernyms of intermaxillary suture include fibrous joint, suture.

intermaxillary suture (noun)	sutura (noun)
the suture between the two maxillae of the upper jawbone	an immovable joint (especially between the bones of the skull)