sagittal suture vs interparietal suture

sagittal suture and interparietal suture both are nouns.

Word	Noun	Adjective	Verb	Adverb
sagittal suture	Yes	No	No	No
interparietal suture	Yes	No	No	No

As nouns, sagittal suture and interparietal suture are synonyms defined as:

sagittal suture and interparietal suture: the suture uniting the two parietal bones

Other synonyms of sagittal suture include sutura sagittalis.

sagittal suture (noun)	interparietal suture (noun)
the suture uniting the two parietal bones	the suture uniting the two parietal bones