zygomatic vs os zygomaticum

zygomatic and os zygomaticum both are nouns.

Word	Noun	Adjective	Verb	Adverb
zygomatic	Yes	Yes	No	No
os zygomaticum	Yes	No	No	No

As nouns, zygomatic and os zygomaticum are synonyms defined as:

zygomatic and os zygomaticum: the arch of bone beneath the eye that forms the prominence of the cheek

Other synonyms of zygomatic include cheekbone, jugal bone, malar, malar bone, zygomatic bone.

zygomatic (noun)	os zygomaticum (noun)
the arch of bone beneath the eye that forms the prominence of the cheek	the arch of bone beneath the eye that forms the prominence of the cheek

zygomatic (adjective)	os zygomaticum (adjective)
of or relating to the cheek region of the face