prostheon vs craniometric point

prostheon and craniometric point both are nouns.

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

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

prostheon: craniometric point that is the most anterior point in the midline on the alveolar process of the maxilla
craniometric point: a landmark on the skull from which craniometric measurements can be taken

prostheon (noun)	craniometric point (noun)
craniometric point that is the most anterior point in the midline on the alveolar process of the maxilla	a landmark on the skull from which craniometric measurements can be taken