obelion vs craniometric point

obelion and craniometric point both are nouns.

Word	Noun	Adjective	Verb	Adverb
obelion	Yes	No	No	No
craniometric point	Yes	No	No	No

As nouns, craniometric point is a hypernym of obelion; that is, craniometric point is a word with a broader meaning than obelion:

obelion: the craniometric point on the sagittal suture near the lamboid suture
craniometric point: a landmark on the skull from which craniometric measurements can be taken

obelion (noun)	craniometric point (noun)
the craniometric point on the sagittal suture near the lamboid suture	a landmark on the skull from which craniometric measurements can be taken